{"title":"MAS","description":"\u003cp\u003eBrowse 29 MAS products at British Garage, including ignition parts. Every listing names the vehicles and fitments it suits — check the compatibility details on each product page before you order.\u003c\/p\u003e\u003cp\u003eFree tracked UK delivery on every order and 30-day returns.\u003c\/p\u003e","products":[{"product_id":"mas-hei-distributor-spark-plug-wire-kit-red-cap-65kv-coil-pigtail-for-chevy-v8s-283-454","title":"MAS HEI Distributor \u0026 Spark Plug Wire Kit — Red Cap, 65kV Coil \u0026 Pigtail for Chevy V8s (283–454)","description":"\u003cp\u003e\u003cstrong\u003eMAS Racing HEI distributor and spark plug wire combo is a complete replacement ignition kit — red-cap HEI distributor, 65,000-volt coil, and high-performance spark plug wires built for small- and big-block Chevy V8 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit replaces worn HEI components on classic and late-model Chevrolet and GMC V8s, offering a direct-fit option designed for common SBC\/BBC displacements (283, 302, 307, 327, 350, 396, 400, 402, 427, 454). The packaged set pairs a red-cap HEI distributor with black 90° boots, a high-output 65kV coil rated to 7500 RPM, and a full-length spark plug wire set plus pigtail harness for straightforward installation. Materials and compatibility are targeted at street, restoration, and light-performance applications where an OEM-style fit and modern insulation matter.\u003c\/p\u003e\n\n\u003ch3\u003eWill this kit fit my Chevy or GMC V8?\u003c\/h3\u003e\n\u003cp\u003eThe MAS kit is intended for a wide range of Chevrolet and GMC applications, covering many small-block and big-block engines used in cars, trucks, vans, and SUVs. Fitment includes common models such as Camaro, Chevelle, Corvette, C10 pickup, Suburban, Impala and many GMC equivalents; verify part numbers and engine size before ordering for a sure match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Chevy engines: 283, 302, 307, 327, 350, 396, 400, 402, 427, 454.\u003c\/li\u003e\n  \u003cli\u003eVehicle examples: Bel Air, C10\/C20\/C30 pickups, Camaro, Corvette, Impala, Malibu, Nova, El Camino.\u003c\/li\u003e\n  \u003cli\u003eGMC fitment: C1500\/C2500\/C3500, G1500\/G2500 vans, K-series trucks and suburban variants.\u003c\/li\u003e\n  \u003cli\u003eCross-references: 1035001 HEI, PC6001A HEI, JM6500R, PE350R, 84-1835.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and materials are used in the kit?\u003c\/h3\u003e\n\u003cp\u003eThe distributor uses hardened 20CR steel gears for improved wear resistance and lifespan, while the included coil delivers up to 65,000 volts, compatible with higher-RPM use up to about 7,500 RPM. Spark plug wires have 90° boots to clear engine accessories and provide solid electrical isolation for consistent spark delivery.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e65kV coil rated for up to 7500 RPM, black housing paired with red distributor cap.\u003c\/li\u003e\n  \u003cli\u003eDistributor gears made from specially treated 20CR steel for durability.\u003c\/li\u003e\n  \u003cli\u003e90° boots on distributor and plug wires for tight engine bay routing and protection.\u003c\/li\u003e\n  \u003cli\u003eComplete pigtail harness included for OEM-style connections and easier installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eThis is a bolt-in replacement set for most listed applications; basic tools, timing light, and service manual reference are recommended. Installation typically involves removing the old HEI cap and distributor, transferring any needed sensors or weights, connecting the pigtail harness, mounting the coil, routing the wires, and checking timing and dwell per engine spec.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequires standard hand tools and a timing light for final adjustment.\u003c\/li\u003e\n  \u003cli\u003eIncludes pigtail harness to match factory connectors and simplify wiring.\u003c\/li\u003e\n  \u003cli\u003eFollow OEM timing and torque specs for reliable starting and idle quality.\u003c\/li\u003e\n  \u003cli\u003eOne-year limited warranty — contact MAS for support or questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit work for restoration or mild performance upgrades?\u003c\/h3\u003e\n\u003cp\u003eThe MAS bundle is suited to restoration projects needing period-correct appearance with improved reliability as well as mild performance swaps where a higher-output coil is beneficial. It preserves classic looks with a red distributor cap while providing modern insulation and a robust coil for dependable ignition under increased loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGood for stock to mildly tuned small- and big-block Chevy V8s.\u003c\/li\u003e\n  \u003cli\u003eKeeps classic visual style (red cap) for restored engines.\u003c\/li\u003e\n  \u003cli\u003eHigher-voltage coil supports stronger spark for improved combustion consistency.\u003c\/li\u003e\n  \u003cli\u003eNot intended to replace race-specific multi-spark or CDI systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MAS HEI distributor, coil and spark plug wire combo is targeted at owners restoring classic Chevrolets and GMCs, weekend mechanics refreshing tired ignition systems, and enthusiasts upgrading to a higher-output coil without changing distributor architecture. If you need a direct-fit HEI replacement for common SBC\/BBC engines or a complete plug-and-play ignition refresh with one-year coverage, this kit is a practical choice.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include the ignition coil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes a 65,000-volt coil compatible with HEI distributors and rated for up to 7500 RPM.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the kit a direct fit for small-block 350 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it fits many SBC engines including 350; confirm vehicle and part cross-references before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55161266012503,"sku":"B08TB5KGNX","price":128.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-hei-distributor-front-view.jpg?v=1790323471"},{"product_id":"mas-ignition-coil-and-spark-plug-kit-for-4-6l-v8-set-of-8-dg508-replacement-with-motorcraft-sp493-high-energy-coils","title":"MAS Ignition Coil and Spark Plug Kit for 4.6L V8 – Set of 8 DG508 Replacement with Motorcraft SP493, High‑Energy Coils","description":"\u003cp\u003e\u003cstrong\u003eComplete 8‑coil kit with a Motorcraft SP493 spark plug — engineered to match factory fit and restore reliable ignition for 4.6L Ford, Lincoln, and Mercury engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis MAS combination pack includes eight high‑energy ignition coils (replacement for DG508 series) paired with a Motorcraft SP493 spark plug, supplied to replace worn or failing ignition components on 4.6L V8 engines. The set is designed to meet or exceed OE electrical and thermal standards so you can swap coils and plugs in one service visit. Before buying, please verify fitment against your vehicle's year, engine code, and dealer part numbers to ensure compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these coils and the SP493 plug improve my vehicle's ignition performance?\u003c\/h3\u003e\n\n\u003cp\u003eUpgrading to fresh coils and a correctly gapped Motorcraft SP493 restores consistent spark delivery and helps maintain smooth combustion across all cylinders. New coils reduce misfires caused by cracked housings or degraded insulation, while a fresh spark plug ensures reliable ignition timing and fuel burn.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigh energy output coils designed for direct fit on 4.6L V8 cylinder heads.\u003c\/li\u003e\n  \u003cli\u003eHeat‑resistant boot compound to withstand under‑hood temperatures.\u003c\/li\u003e\n  \u003cli\u003eMotorcraft SP493 spark plug delivers consistent spark gap and electrode durability.\u003c\/li\u003e\n  \u003cli\u003eIncludes 8 coils for full V8 replacement—one plug included for reference or paired servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicle models and part numbers does this MAS kit replace?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit is made to be compatible with many Ford, Lincoln, and Mercury 4.6L engine applications. It replaces a long list of OE references so you can cross‑check part numbers and compatibility prior to installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCommon replaced coil references: DG508, DG457, DG472, DG491.\u003c\/li\u003e\n  \u003cli\u003eSpark plug reference included: Motorcraft SP493.\u003c\/li\u003e\n  \u003cli\u003eAlso cross‑references dealer numbers such as 3W7Z12029AA, 1L2U12029AA and 1L2U12A366A among others.\u003c\/li\u003e\n  \u003cli\u003eAlways compare the pictures and part numbers with your existing components before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is the installation and what should I check before starting?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine‑bay work: remove the old coil boots and connectors, swap in the new coils, and torque to factory specs. Inspect wire connectors and coil mounting surfaces for corrosion or damage and replace any additional worn hardware for longest service life.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDirect bolt‑on replacement for coil‑on‑plug assemblies—no modification required.\u003c\/li\u003e\n  \u003cli\u003eUse OEM torque values for coil retention bolts and ensure electrical connectors lock fully.\u003c\/li\u003e\n  \u003cli\u003eCheck plug gap and condition if replacing spark plugs beyond the supplied Motorcraft unit.\u003c\/li\u003e\n  \u003cli\u003eReplace coils in sets for consistent cylinder performance—this kit contains 8 coils for full coverage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and quality checks are used in MAS ignition coils?\u003c\/h3\u003e\n\n\u003cp\u003eMAS coils are engineered to meet OE electrical and thermal tolerances, using high‑grade winding and insulation materials. Each coil is tested to verify output and resistance so they deliver stable performance under common driving stresses.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigh temperature resistant boot compound to resist heat and ozone breakdown.\u003c\/li\u003e\n  \u003cli\u003ePrecision winding and molding to maintain consistent primary\/secondary characteristics.\u003c\/li\u003e\n  \u003cli\u003eManufactured to achieve or exceed original equipment specifications with quality control testing.\u003c\/li\u003e\n  \u003cli\u003eSupplied as an 8‑coil set so all cylinders receive matched replacement components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MAS ignition coil and Motorcraft SP493 spark plug kit is aimed at owners and technicians working on Ford, Lincoln, and Mercury vehicles equipped with 4.6L V8 engines who want a cost‑effective, full‑set replacement. It's ideal for anyone facing misfires, rough idle, reduced fuel efficiency, or for preventive maintenance when performing a comprehensive ignition system service. Always confirm fitment with your vehicle's specific part numbers and compare the product images to your original parts before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this set fit my 2003 Ford Crown Victoria with a 4.6L engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Possibly—this kit targets 4.6L Ford\/Lincoln\/Mercury engines. Compare your vehicle's OEM coil and plug part numbers with the kit's cross‑references before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include eight spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the package includes eight ignition coils and one Motorcraft SP493 spark plug; additional plugs must be purchased separately if needed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55161276367191,"sku":"B075NRP1KH","price":144.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-coil-set-front-packaging.jpg?v=1790323781"},{"product_id":"mas-performance-hei-distributor-for-chevy-v8s-red-cap-with-wiring-kit-65k-coil-compatibility","title":"MAS Performance HEI Distributor for Chevy V8s – Red Cap with Wiring Kit \u0026 65K Coil Compatibility","description":"\u003cb\u003eA complete high-energy ignition (HEI) distributor assembly from MAS with red cap, wiring kit, and 65K coil compatibility built for Chevrolet small- and big-block V8 engines.\u003c\/b\u003e\n\n\u003cp\u003eThis MAS Performance HEI distributor replaces aging original equipment units for Chevrolet and GMC small-blocks (262–400) and big-blocks (402–454). It includes a red-cap distributor, wiring harness, and is designed to work with high-output 65K ignition coils. The assembly combines durable steel gears and modern electrical components to restore reliable spark and simple swap-in installation for a wide range of classic and truck applications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes this MAS HEI distributor a direct swap for older Chevy V8s?\u003c\/h3\u003e\n\u003cp\u003eThe MAS unit maintains factory mounting dimensions, shaft height, and gear profile so it lines up with stock oil pump drives and timing covers. Internal pickup and cap tower spacing follow OE HEI geometry, allowing it to replace common GM part numbers without extensive modification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits SBC and BBC applications (262, 267, 305, 307, 327, 350, 400, 402, 454).\u003c\/li\u003e\n  \u003cli\u003eCompatible with many Chevrolet, GMC, Oldsmobile, Pontiac and Buick models.\u003c\/li\u003e\n  \u003cli\u003eOE-style shaft and vacuum\/centrifugal advance compatibility for straightforward installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the included wiring kit and 65K coil compatibility help performance?\u003c\/h3\u003e\n\u003cp\u003eThe wiring kit supplies the proper plugs and connectors to integrate the MAS distributor with factory or aftermarket ignition systems. Compatibility with 65K coils means the distributor’s module and wiring are rated for higher secondary voltage, useful when upgrading to a hotter coil for improved ignition energy.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWiring harness sized for HEI module and coil connections.\u003c\/li\u003e\n  \u003cli\u003eWorks with high-output 65K coils when used within recommended specs.\u003c\/li\u003e\n  \u003cli\u003eIncludes 90-degree boots for tidy spark plug routing in tight engine bays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre the internal parts durable enough for daily driving and restoration projects?\u003c\/h3\u003e\n\u003cp\u003eMAS uses specially treated 20CR steel for the drive gears, giving enhanced hardness and wear resistance versus untreated alloys. The robust gear and bearing choices are intended to extend service life under normal operating loads, reducing the chance of premature wear in older engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e20CR steel drive gears for greater wear resistance.\u003c\/li\u003e\n  \u003cli\u003eQuality bearings and seals to maintain shaft alignment and oil control.\u003c\/li\u003e\n  \u003cli\u003eOne-year limited warranty for replacement against manufacturing defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation tips should I know before swapping this distributor?\u003c\/h3\u003e\n\u003cp\u003eSet the engine to top dead center (TDC) on the compression stroke for cylinder one and match rotor position before lowering the distributor into place. Verify timing and centrifugal\/vacuum advance operation after installation and use the wiring kit to ensure secure, weather-tight connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAlign rotor to TDC mark before installation to minimize timing adjustments.\u003c\/li\u003e\n  \u003cli\u003eTorque mounting bolt and verify gear mesh with oil pump drive per service specs.\u003c\/li\u003e\n  \u003cli\u003eCheck advance mechanism movement and secure wiring with supplied connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MAS Performance HEI distributor assembly suits restorers, truck owners, and performance hobbyists who need a reliable OE-form replacement for Chevrolet and GMC small- and big-block V8s. It’s ideal when upgrading to a higher-output coil, repairing a worn distributor, or performing an engine refresh on classic cars, pickups, and vans that originally used GM HEI systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this MAS HEI distributor work with my 350 small-block Chevy?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it fits 350 SBC engines and many other Chevrolet small- and big-blocks listed, designed for OE-style swap-in installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use a 65K ignition coil with this distributor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the distributor and wiring kit are compatible with 65K coils when installed with correct grounding and wiring per instructions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55161291800919,"sku":"B08L73LYQF","price":127.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-hei-distributor-front-view_3a97b346-7f09-4517-9d23-6fa50268bbdc.jpg?v=1790324129"},{"product_id":"mas-ignition-coil-for-toyota-2-4l-l4-uf333-90919-02244-oe-style-direct-replacement","title":"MAS Ignition Coil for Toyota 2.4L L4 — UF333 (90919-02244) OE-Style Direct Replacement","description":"\u003cp\u003e\u003cstrong\u003eMAS One ignition coil UF333 is a direct-replacement ignition coil designed to restore reliable spark delivery for compatible 2.4L inline‑4 Toyota, Lexus, Scion and Pontiac engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis MAS ignition coil is engineered as an OE-style replacement for select 2.4L L4 models that use part numbers like 90919-02244, C1330 and UF333. It replaces a failed coil to help re-establish proper combustion across cylinders, improve starting consistency and reduce misfires when installed correctly. The unit ships individually and includes a one-year limited warranty from MAS.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this MAS ignition coil fit?\u003c\/h3\u003e\n\u003cp\u003eThe MAS UF333 coil fits a range of Toyota-family vehicles and related models that use the same ignition coil footprint and electrical connector. Always confirm fitment against your VIN or the specific OEM part numbers before ordering to avoid selection errors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2002–2005 Toyota Camry L4 2.4L\u003c\/li\u003e\n  \u003cli\u003e2001–2007 Toyota Highlander L4 2.4L\u003c\/li\u003e\n  \u003cli\u003e2001–2003 Toyota RAV4 L4 2.0L and 2004–2008 RAV4 L4 2.4L\u003c\/li\u003e\n  \u003cli\u003e2002–2006 Toyota Solara, 2013 Matrix, 2005–2010 Scion tC, 2009–2010 Pontiac Vibe, 2010–2012 Lexus HS250h\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does replacing a failing coil help engine performance?\u003c\/h3\u003e\n\u003cp\u003eA worn or faulty coil can produce weak or inconsistent spark, which leads to rough idle, reduced power and diagnostic trouble codes. Installing a new MAS coil restores proper ignition energy to the related cylinder, which helps the engine run smoother and can clear misfire-related issues when the rest of the ignition system is healthy.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores consistent spark voltage for cleaner combustion\u003c\/li\u003e\n  \u003cli\u003eReduces cylinder misfires and rough idle when combined with good plugs\u003c\/li\u003e\n  \u003cli\u003eCompatible electrical connector and mounting for direct swap\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before buying and installing this coil?\u003c\/h3\u003e\n\u003cp\u003eConfirming vehicle compatibility and assessing related components prevents wasted time and returns. Verify the OEM part numbers listed and inspect spark plugs, wiring harness connectors and the coil boot for damage; replacing a coil alone may not fix issues if other ignition parts are failing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare your car’s OEM numbers: 90919-02244, C1330, UF333 and listed cross-references\u003c\/li\u003e\n  \u003cli\u003eInspect and, if necessary, replace spark plugs and ignition boots at the same time\u003c\/li\u003e\n  \u003cli\u003eUse your VIN or vehicle fitment tool to confirm fit before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the MAS coil easy to install and what’s included?\u003c\/h3\u003e\n\u003cp\u003eThe MAS UF333 is designed for bolt‑in replacement where the vehicle uses the same coil style. Typical installation requires basic hand tools and standard safety precautions: disconnect the battery, remove the engine cover (if present), unplug the connector and unbolt the old coil, then reverse the steps for the new part.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage contains one MAS ignition coil UF333\u003c\/li\u003e\n  \u003cli\u003eDesigned for direct swap on compatible engine banks and connectors\u003c\/li\u003e\n  \u003cli\u003eMAS provides a 1‑year limited warranty for manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MAS One ignition coil UF333 is aimed at do-it-yourselfers, independent mechanics and fleet technicians who need an OE-form replacement for 2.4L Toyota family engines and compatible Lexus, Scion and Pontiac models. It’s suitable when diagnostics point to a single faulty ignition coil or when replacing coils during scheduled ignition maintenance. If you’re unsure about fitment, use your VIN or the vehicle fitment tool and cross-check the OEM part numbers listed with your service records before ordering.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this MAS coil replace OEM part 90919-02244?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The MAS UF333 lists 90919-02244 among its cross-reference numbers; verify your vehicle’s OEM number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many coils come in the package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing includes one MAS ignition coil UF333 and a one-year limited warranty.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55161681510743,"sku":"B075H1YCH9","price":30.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-ignition-coil-front-view.jpg?v=1790331257"},{"product_id":"mas-one-round-ignition-coils-on-plug-pack-for-chevy-gmc-v8-4-8l-5-3l-6-0l-uf262-direct-fit-oe-style","title":"MAS One Round Ignition Coils on Plug Pack for Chevy GMC V8 4.8L 5.3L 6.0L UF262 - Direct Fit, OE-Style","description":"\u003cp\u003e\u003cstrong\u003eMAS One round ignition coils on plug pack are direct-fit replacement coils engineered to restore reliable spark in many GM V8 engines (4.8L, 5.3L, 6.0L) that use the round UF262-style coil.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Chevy, GMC or Cadillac with a V8 engine is misfiring, running rough, or showing a coil-related diagnostic code, these MAS ignition coils are made to match OE form, fit and basic function for the listed model years. They replace factory part numbers such as UF262, 10457730 and several equivalent OEM references, and come with a one-year limited warranty. Before ordering, confirm whether your vehicle uses the round (UF262) or square (UF271) coil by visually comparing your existing unit — GM changed coil styles mid-year on some models.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will these MAS round coils fit?\u003c\/h3\u003e\n\u003cp\u003eThese coils cover a broad range of GM trucks, SUVs and vans across multiple years. Fitment includes popular models like Silverado, Sierra, Tahoe, Suburban, Yukon, Escalade, Avalanche, Express, Savana and Hummer H2 with 4.8L, 5.3L and 6.0L V8 engines where the round UF262 coil was used.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon fits: 1999–2007 Silverado\/Sierra, 2000–2006 Tahoe\/Suburban\/Yukon, early 2000s Escalade and Avalanche.\u003c\/li\u003e\n  \u003cli\u003eAlso covers Express and Savana van families and some HD and classic variants listed in the fitment details.\u003c\/li\u003e\n  \u003cli\u003eCheck OEM part cross-references like 10457730, C1251 and UF262 to confirm compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I verify I need the round UF262 coil instead of the square style?\u003c\/h3\u003e\n\u003cp\u003eGM switched coil styles during some model years, so physical inspection is the most reliable check. Compare your old coil shape to the round profile of the UF262 unit and confirm connector and mounting similarities.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLook for round housing and OEM numbers printed on the coil body.\u003c\/li\u003e\n  \u003cli\u003eMatch electrical connector orientation and mounting bolt locations.\u003c\/li\u003e\n  \u003cli\u003eCross-reference the original part number or vehicle build month against the fitment list.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the interchange part numbers and warranty terms?\u003c\/h3\u003e\n\u003cp\u003eMAS lists several interchange references to help you match this coil to your OEM unit. The product carries a one-year limited warranty for failures under normal use—contact the seller for warranty claims and replacement instructions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInterchange references: UF262, 10457730, 12563293, UF-262, C1251, D-585 and others.\u003c\/li\u003e\n  \u003cli\u003eWarranty: one-year limited coverage; replacement provided if coil fails within warranty period.\u003c\/li\u003e\n  \u003cli\u003eKeep receipts and part numbers when submitting a warranty request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and performance?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows the same steps as the factory coils: disconnect the battery, remove engine covers, unplug the coil electrical connector, unbolt the coil and swap with the MAS unit. Once fitted properly, the coil should deliver ignition voltage comparably to the original design.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBasic hand tools and torque references are typically all that’s required.\u003c\/li\u003e\n  \u003cli\u003eReplace coils in banks or pairs if multiple coils show wear to avoid repeat labor.\u003c\/li\u003e\n  \u003cli\u003eAfter-install checks: clear codes, start engine, and verify smooth idle and absence of misfire codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MAS round UF262 ignition coil is intended for DIY mechanics, independent shops and fleet technicians who service GM V8 trucks, SUVs and vans from the late 1990s through the 2000s that require the round-style replacement coil. It’s suitable for owners looking for a direct-fit, cross-reference-matched coil with a standard limited warranty—provided they confirm the coil shape and part number match their original equipment before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I know if my vehicle needs UF262 round coils?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Visually compare your coil shape to the round UF262 profile and match OEM part numbers; consult the fitment list for your model year.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does MAS offer a warranty on these coils?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, MAS provides a one-year limited warranty; contact the seller for replacement if failure occurs within the warranty period.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55162948976983,"sku":"B075NMX2JB","price":31.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-round-coil-front-view.jpg?v=1790340078"},{"product_id":"mas-ignition-coil-pack-for-1-8l-1zz-fe-engines-direct-fit-for-corolla-matrix-high-heat-durable","title":"MAS Ignition Coil Pack for 1.8L 1ZZ‑FE Engines — Direct-Fit for Corolla\/Matrix, High-Heat Durable","description":"\u003cp\u003e\u003cstrong\u003eMAS ignition coil pack replaces faulty coils on 1.8L 1ZZ-FE engines to restore reliable spark, smoother starts, and steadier engine performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis MAS replacement ignition coil pack is engineered to fit a wide range of vehicles that use the 1ZZ-FE L4 1.8L engine, including Toyota Corolla, Matrix, Celica, MR2 Spyder and GM-sourced models like the Chevrolet Prizm and Pontiac Vibe. Built using materials rated for high heat and mechanical stress, the coil aims to reduce common ignition-related faults that lead to misfires, rough idling, long cranks, and check engine light codes. The part is offered as a direct-fit replacement for several OEM numbers, giving a straightforward swap for routine repairs or preventative maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this coil pack affect starting and idle behavior?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn coil with this MAS unit can reduce long crank times and restore consistent spark delivery at idle and during acceleration. Improved ignition stability helps the engine start more reliably and run smoother without intermittent misfires that cause rough idling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores strong spark to each cylinder for quicker starts.\u003c\/li\u003e\n  \u003cli\u003eReduces stumbling and hesitation during cold and warm starts.\u003c\/li\u003e\n  \u003cli\u003eHelps eliminate intermittent misfires that trigger rough idle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part fit my vehicle and match OEM specifications?\u003c\/h3\u003e\n\u003cp\u003eThe MAS coil pack is designed as a compatible replacement for multiple OEM part numbers and a list of model years that use the 1ZZ-FE 1.8L engine. It aligns with the form, fit, and connector types used on the specified Toyota and GM models, making it a practical direct-swap option for routine repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: Toyota Corolla (1999–2010), Matrix (2003–2008), Celica (2000–2005), MR2 Spyder (2000–2005), Chevrolet Prizm (2000–2002), Pontiac Vibe (2003–2006).\u003c\/li\u003e\n  \u003cli\u003eCross-references common OEM numbers: 90919-02239, 90919-12002, 90080-19015, UF247 and others.\u003c\/li\u003e\n  \u003cli\u003eConnector and mounting points engineered to match factory locations for easy installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and design features improve durability?\u003c\/h3\u003e\n\u003cp\u003eMAS uses proven insulating wire coatings and high-temperature-tolerant materials in this coil pack to resist cracking, pinholes, and electrical breakdowns that commonly cause coil failure. That durable construction helps maintain spark integrity under heat and vibration typical of engine bays.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-temperature rated wire and insulation to resist thermal degradation.\u003c\/li\u003e\n  \u003cli\u003eRobust potting and sealing to limit moisture intrusion and electrical shorting.\u003c\/li\u003e\n  \u003cli\u003eQuality control focused on dimensional accuracy for consistent electrical performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will replacing the coil affect other systems like fuel economy or emissions?\u003c\/h3\u003e\n\u003cp\u003eBy restoring consistent ignition timing and complete combustion, this coil pack can reduce the symptoms that lead to poor fuel economy and elevated emissions. While it does not change engine tuning, fixing misfires and weak spark helps the engine run more efficiently and can prevent secondary damage to downstream components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces incomplete combustion that wastes fuel and raises emissions.\u003c\/li\u003e\n  \u003cli\u003eHelps prevent spark plug fouling and oxidative stress on catalytic converters.\u003c\/li\u003e\n  \u003cli\u003eCan lower the likelihood of check engine light triggers related to ignition faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MAS ignition coil pack is intended for owners, mechanics, and DIY technicians working on 1.8L 1ZZ-FE Toyota and compatible GM models who need a cost-effective, direct-fit replacement. It suits vehicles experiencing ignition-related symptoms—such as hard starting, misfires, or a glowing check engine light—or anyone performing scheduled maintenance to avoid future ignition failures. Verify vehicle year and OEM cross-reference numbers before ordering to ensure correct fitment.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this coil pack replace OEM part 90919-02239?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. MAS is compatible with OEM numbers including 90919-02239 and other listed cross-references.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this fit my 2005 Toyota Corolla 1.8L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your Corolla has the 1ZZ-FE 1.8L engine, this MAS coil pack is designed to fit model years within the listed range.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55163203256663,"sku":"B075MR192G","price":30.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-ignition-coil-pack-front-view.jpg?v=1790342098"},{"product_id":"mas-ignition-coil-pack-uf303-e255-replacement-for-chevy-gmc-buick-h3-colorado-trailblazer-direct-fit-oe-compatible","title":"MAS Ignition Coil Pack UF303 (E255) Replacement for Chevy\/GMC\/Buick H3 Colorado Trailblazer - Direct-Fit, OE-Compatible","description":"\u003cp\u003e\u003cstrong\u003eMAS UF303 (E255) ignition coil pack is a direct-fit replacement that restores reliable spark delivery for compatible GM and related V6\/L4 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle is showing misfires, hard starts, reduced power, or a check engine light related to ignition performance, a worn or failed coil pack is a common cause. The MAS UF303 (E255) coil pack is manufactured to match OE fitment and electrical connections for a long list of vehicles—Chevy Trailblazer, Colorado, Buick Rainier, GMC Canyon, Hummer H3, Envoy, Isuzu i-280, Oldsmobile, Saab and several others—covering 2.8L inline-4, 3.5L and 3.7L V5, and 4.2L straight-6 engine applications. This listing includes cross-reference part numbers for quick verification before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will this MAS coil pack fit?\u003c\/h3\u003e\n\u003cp\u003eThis coil pack replaces original units across many GM-based platforms and compatible Isuzu\/Saab applications. Use the year\/make\/model selection or the interchangeable part numbers to confirm compatibility for your specific vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon fits: Chevy Trailblazer EXT, Colorado; GMC Canyon; Buick Rainier; Hummer H3; Oldsmobile, Saab models listed in the cross-reference.\u003c\/li\u003e\n  \u003cli\u003eEngine sizes covered: L4 2.8L, L5 3.5L, L5 3.7L, L6 4.2L in applicable chassis.\u003c\/li\u003e\n  \u003cli\u003eCross-reference numbers included: UF-303, 28310, 1788390, IC051218, E255, 12568062 and others for checklist verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will installing this coil pack affect drivability?\u003c\/h3\u003e\n\u003cp\u003eReplacing a failing coil pack with the MAS UF303 can eliminate misfires, reduce crank time, and restore consistent engine response. Proper spark reduces spark plug fouling and prevents downstream issues like catalytic converter stress and poor fuel economy.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces misfire-related rough idle and hesitation.\u003c\/li\u003e\n  \u003cli\u003eImproves start-up reliability and shorter crank times.\u003c\/li\u003e\n  \u003cli\u003eHelps stabilize transmission shift patterns linked to power delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before and after installing the coil pack?\u003c\/h3\u003e\n\u003cp\u003eCompatibility and supporting components matter. Confirm the coil's part numbers against your vehicle, and inspect spark plugs and wiring to avoid overloading the new coil pack. After installation, clear codes and monitor for any recurring trouble codes or irregular engine behavior.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify fit using the listed compatible part numbers and vehicle selector.\u003c\/li\u003e\n  \u003cli\u003eInspect spark plugs and ignition leads—replace worn plugs to protect the new coils.\u003c\/li\u003e\n  \u003cli\u003eClear engine codes post-install and perform a test drive to confirm issue resolution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and quality assurances come with the MAS UF303 coil pack?\u003c\/h3\u003e\n\u003cp\u003eMAS includes a 1-year warranty against manufacturing defects, giving you a straightforward replacement path if the coil pack fails within the warranty window. This support helps minimize downtime and reduces the cost risk of component failure soon after purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1-year replacement warranty—contact vendor for warranty processing.\u003c\/li\u003e\n  \u003cli\u003eBuilt to match OE-style electrical connections and mounting points for direct-fit installation.\u003c\/li\u003e\n  \u003cli\u003eSupplied cross-reference numbers to ensure correct selection for your vehicle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: The MAS UF303 (E255) ignition coil pack is intended for owners, DIY mechanics, and professional technicians who need a direct-fit replacement for aging or failing ignition coils on GM family vehicles and related models. It’s best for those who want OE-style fitment, clear cross-references for parts matching, and a backed warranty for peace of mind. If your vehicle exhibits misfires, rough idle, hard starts, or erratic fuel economy and you’ve ruled out basic maintenance items, this coil pack is a practical, cost-effective replacement option.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this MAS coil pack match my vehicle's OEM part number?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compare your OEM number with the cross-reference list (UF-303, E255, 12568062, etc.) or use the vehicle selector to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the MAS UF303 covered by warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the coil pack includes a 1-year warranty; contact the seller for replacement if a covered failure occurs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55164235940183,"sku":"B08142K9V1","price":32.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-front-packaging.jpg?v=1790351790"},{"product_id":"mas-ignition-coil-for-v6-engines-3-0l-4-2l-horizontal-connector-direct-replace-dge446-fd480t-oe-style-reliability","title":"MAS Ignition Coil for V6 Engines 3.0L–4.2L Horizontal Connector — Direct‑Replace DGE446\/FD480T, OE‑Style Reliability","description":"\u003cp\u003e\u003cstrong\u003eMAS One ignition coil is a direct-replacement coil designed to restore proper spark to compatible 3.0L–4.2L V6 Ford, Mercury and Mazda engines using a horizontal connector.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis MAS ignition coil is built to match or improve on original equipment specifications so it installs cleanly and delivers dependable electrical performance. It replaces common OE part numbers such as DGE446 and FD480T, fits many Ford, Mercury and Mazda V6 models from the early 1990s through 2011, and comes with a one-year limited warranty for added confidence.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines does this coil fit?\u003c\/h3\u003e\n\u003cp\u003eThis coil is made for several V6 engines with a horizontal connector layout. It lists specific model-year ranges for Ford, Mercury and Mazda vehicles, including several vans, trucks and SUVs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFord Aerostar, E-150\/E-250 Econoline, Explorer, Ranger, Mustang, Taurus, Sable, Mystique\u003c\/li\u003e\n  \u003cli\u003eMercury Mountaineer and Navajo; Mazda 626, B3000, B4000 with V6 engines\u003c\/li\u003e\n  \u003cli\u003eEngine sizes covered: 2.5L–4.2L V6 applications where horizontal connector is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does installation and compatibility work?\u003c\/h3\u003e\n\u003cp\u003eThe coil is engineered to mirror OE mounting and electrical connections so it bolts in and plugs into the factory harness without modification. Because it aligns with common OE part numbers, cross-referencing ensures you choose the correct replacement for your application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHorizontal connector design to match factory harness orientation\u003c\/li\u003e\n  \u003cli\u003eDirect-replacement fit for listed model-year combinations—no adapters required\u003c\/li\u003e\n  \u003cli\u003eCompatible with multiple OE numbers for easier part verification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and quality features does the MAS coil offer?\u003c\/h3\u003e\n\u003cp\u003eMAS designs these coils to meet or exceed key OE specifications for durability and electrical output. Components are selected to resist heat and vibration common in engine bays, reducing the chance of premature failure compared with worn original coils.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOE-style engineering for consistent spark delivery and reliable starts\u003c\/li\u003e\n  \u003cli\u003eImproved materials aimed at heat and vibration resistance\u003c\/li\u003e\n  \u003cli\u003eBacked by a one-year limited warranty for parts coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich part numbers should I match to confirm fit?\u003c\/h3\u003e\n\u003cp\u003eCross-referencing the MAS unit to the OE numbers on your old coil helps confirm compatibility before purchase. The MAS listing includes many legacy and aftermarket reference numbers used by dealerships and parts stores.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon references: DGE446, FD480T, DG452, DG455 and related codes\u003c\/li\u003e\n  \u003cli\u003eAlso listed with numerous Ford and Mazda OEM part variants for verification\u003c\/li\u003e\n  \u003cli\u003eMatch the connector orientation (horizontal) and engine displacement to be sure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MAS One ignition coil is intended for owners, DIY mechanics and independent repair shops replacing a failed or aging ignition coil on compatible Ford, Mercury and Mazda V6 engines (1991–2011 model years listed). It's a practical choice when you need a direct-replacement coil that follows OE design, supports a wide range of part cross-references, and includes a one-year limited warranty for peace of mind.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this coil fit a 2005 Ford Explorer 4.0L V6?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The MAS One coil is listed for 1991–2010 Ford Explorer 4.0L V6 applications with the horizontal connector.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty does MAS provide?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This ignition coil includes a one-year limited warranty from MAS.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55167213961559,"sku":"B078RW8276","price":59.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-ignition-coil-front-view_e348be60-2d22-4ad7-b327-c6e0dd212288.jpg?v=1790378649"},{"product_id":"mas-curved-boot-ignition-coil-pack-set-for-ford-lincoln-mercury-v8-8-piece-oem-fit-lifetime-warranty","title":"MAS Curved-Boot Ignition Coil Pack Set for Ford Lincoln Mercury V8 8-Piece — OEM Fit, Lifetime Warranty","description":"\u003cp\u003e\u003cstrong\u003eMAS curved-boot ignition coil pack set (8 pieces) is a direct-replacement ignition coil kit designed for many Ford, Lincoln and Mercury V8 engines — engineered to match OEM fit and restore reliable spark delivery.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your V8-equipped Ford, Lincoln or Mercury with 4.6L, 5.4L or 6.8L engine is misfiring, running rough, or showing check-engine codes linked to ignition coils, this MAS DG508-style set provides a complete eight-coil swap in one kit. These are the curved-boot configuration intended for applications that require the boot angle and length to clear factory routing and valve covers. The kit lists multiple OEM cross-references so you can confirm compatibility before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these coil packs fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThese MAS coils are built to match the curved-boot DG508 configuration used on many 1997–2019 Ford, Lincoln and Mercury V8 vehicles. Confirm your vehicle’s engine size and whether the factory boots are curved (not straight) to ensure correct fitment. Check the provided cross-reference numbers against your OEM part to verify compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCurved boot design for specific F-150, E-Series, Excursion and Super Duty models\u003c\/li\u003e\n  \u003cli\u003eFits 4.6L, 5.4L and 6.8L V8 engines across years listed in the fitment ranges\u003c\/li\u003e\n  \u003cli\u003eCross-references: DG508, DG457, C1454, C1417, FD503 and more\u003c\/li\u003e\n  \u003cli\u003eLifetime warranty — use your vehicle lookup to confirm fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat improvements should I expect after installation?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn or damaged ignition coils with a complete set can eliminate misfires, reduce rough idle, and restore smoother acceleration when ignition faults are the cause. Because this is a full eight-coil kit, it ensures all cylinders use coils of the same age and performance, avoiding inconsistent behavior caused by mixing old and new units.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmoother idle and more consistent power delivery\u003c\/li\u003e\n  \u003cli\u003eReduced engine misfire codes related to ignition circuits\u003c\/li\u003e\n  \u003cli\u003eUniform performance across all cylinders with a matched set\u003c\/li\u003e\n  \u003cli\u003eOEM-style boot angle to prevent clearance or routing interference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know if I need curved boots rather than straight boots?\u003c\/h3\u003e\n\u003cp\u003eCheck the shape of the ignition boot on your existing coils: curved boots bend to clear valve covers or specific wire routing, while straight boots drop down vertically. MAS DG508 is the curved-boot variant; if your vehicle uses a straight boot configuration, look for the DG511 or the appropriate straight-boot part instead.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVisually compare boot angle on current coils before ordering\u003c\/li\u003e\n  \u003cli\u003eUse OEM cross-reference numbers to confirm correct style\u003c\/li\u003e\n  \u003cli\u003eCurved boots commonly used on many F-Series, E-Series and Expedition models\u003c\/li\u003e\n  \u003cli\u003eInstallation guides and torque specs follow OEM service procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these coils covered by warranty and what’s included?\u003c\/h3\u003e\n\u003cp\u003eThe MAS set ships as a complete kit of eight curved-boot ignition coil packs, intended as a direct replacement for the listed vehicles. MAS backs this product with a lifetime warranty; be sure to enter your vehicle details in the storefront compatibility checker to confirm fitment before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete set of 8 coils for a full engine replacement\u003c\/li\u003e\n  \u003cli\u003eIncludes OEM-referenced part numbers for verification\u003c\/li\u003e\n  \u003cli\u003eLifetime warranty from MAS for peace of mind\u003c\/li\u003e\n  \u003cli\u003eDesigned as direct replacement — no core return required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MAS eight-coil curved-boot pack is for owners and technicians working on Ford, Lincoln or Mercury V8 vehicles that require the DG508-style curved boot configuration. It’s especially suited for those doing a full-coil service, repairing misfires, or restoring ignition performance on 4.6L, 5.4L or 6.8L engines across the many model years listed in the fitment ranges.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these coils fit my Ford F-150 2004 5.4L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Possibly — the MAS DG508 curved-boot set fits many 2000–2010 F-150 4.6L and certain 5.4L models. Verify with your VIN or compare OEM part numbers before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the difference between DG508 and DG511?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: DG508 has curved boots; DG511 uses straight boots. Choose the style that matches your vehicle’s existing boot angle and routing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55168331841879,"sku":"B00TGCFYMW","price":71.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-curved-boot-front.jpg?v=1790400539"},{"product_id":"mas-ignition-distributor-for-lt1-optispark-5-7l-v8-complete-assembly-with-cap-rotor-1994-97","title":"MAS Ignition Distributor for LT1\/Optispark 5.7L V8 — Complete Assembly with Cap \u0026 Rotor (1994–97)","description":"\u003cp\u003e\u003cstrong\u003eMAS Ignition Distributor with cap and rotor is a direct-fit replacement for LT1\/Optispark V8 5.7L engines, restoring timed spark for Chevrolet, Buick and Pontiac models from the mid-1990s.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen an aging Optispark distributor starts causing misfires, stalling or erratic idle, swapping in a complete MAS distributor assembly (cap and rotor included) returns reliable ignition timing and eliminates the time-consuming diagnosis of individual ignition components. This MAS unit is built to match OEM dimensions and electronic specifications for 1994–1997 GM LT1 platform vehicles, providing a straightforward replacement without the need for extra modifications or expensive dealer parts.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and part numbers is this MAS distributor compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis MAS distributor is made to fit a range of mid-1990s GM models using the LT1\/Optispark ignition layout. It is matched to common OEM reference numbers so you can cross-check fitment before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVehicle fitment: 1994–96 Buick Roadmaster, 1994–96 Fleetwood, 1995–97 Chevy Camaro, 1994–96 Chevy Caprice, 1995–96 Chevy Corvette, 1994–96 Chevy Impala, 1995–97 Pontiac Firebird.\u003c\/li\u003e\n  \u003cli\u003eOEM cross-references: DST109, KA-GM8381 and Hollander references 606-02339, 84-1833, 30-1833, 1103916, 01104032, 1104032.\u003c\/li\u003e\n  \u003cli\u003eSupplied as a complete assembly with cap and rotor for direct swap-in compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the MAS distributor match OEM quality and electrical performance?\u003c\/h3\u003e\n\u003cp\u003eMAS manufactures this distributor to meet key OEM standards so electrical timing and mechanical fit align with factory expectations. Components are circuit-tested before and after assembly to ensure the module and internal electronics operate within specification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e100% compatible with OEM dimensions and mounting points for proper alignment.\u003c\/li\u003e\n  \u003cli\u003eElectronic module and internal components computer-tested pre- and post-assembly.\u003c\/li\u003e\n  \u003cli\u003eIncludes cap and rotor matched to the distributor to avoid mismatched parts causing misfires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat do I get in the box and is installation straightforward?\u003c\/h3\u003e\n\u003cp\u003eThe package contains the MAS ignition distributor preassembled with its matching cap and rotor, ready for installation. For a mechanically competent DIYer or a technician familiar with LT1\/Optispark systems, the swap is a standard replacement requiring basic tools and timing re-check.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBox contents: MAS ignition distributor assembly with cap and rotor included.\u003c\/li\u003e\n  \u003cli\u003eInstallation: direct-fit replacement—no custom machining or extra parts typically required.\u003c\/li\u003e\n  \u003cli\u003ePost-install: verify ignition timing and clear any stored engine codes after swap.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and support does MAS provide?\u003c\/h3\u003e\n\u003cp\u003eMAS supports this ignition distributor with a one-year replacement warranty, giving short-term protection against manufacturing defects. This warranty helps ensure you receive a functioning replacement if the part fails under normal use during the warranty period.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWarranty: one-year replacement coverage from date of purchase.\u003c\/li\u003e\n  \u003cli\u003eQuality assurance: parts are tested electronically during production to reduce early failures.\u003c\/li\u003e\n  \u003cli\u003eCompatibility guidance: verify vehicle year and OEM numbers before purchase to ensure fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, DIY enthusiasts and fleet managers working on mid-1990s GM LT1 V8 vehicles who need a reliable, direct-fit distributor replacement. If you’re troubleshooting repeated misfires, rotor\/cap wear or intermittent ignition issues on compatible Chevy, Buick or Pontiac models, the MAS Ignition Distributor with cap and rotor provides a ready-to-install solution backed by OEM compatibility and a one-year warranty.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this distributor a direct replacement for Optispark LT1 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — MAS is a direct-fit replacement for Optispark LT1 5.7L V8 engines in listed 1994–1997 GM models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the package include the cap and rotor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the MAS package ships as a complete distributor assembly with cap and rotor included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55169072955735,"sku":"B074MJWH1W","price":89.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-distributor-front-view.jpg?v=1790417903"},{"product_id":"mas-performance-ignition-distributor-for-chevy-gm-sbc-bbc-65kv-cap-rotor-7-500-rpm","title":"MAS Performance Ignition Distributor for Chevy\/GM SBC \u0026 BBC 65kV — Cap \u0026 Rotor, 7,500 RPM","description":"\u003cp\u003e\u003cstrong\u003eMAS Performance Ignition Distributor with cap and rotor is a direct-fit replacement for many Chevy\/GM small- and big-block V8 engines, delivering high-voltage spark up to 65k and reliable operation to 7,500 RPM.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis distributor assembly is designed as a like-for-like replacement for a range of Chevrolet\/General Motors V8 engines, including small-blocks (305–400) and big-blocks (396–454). It ships with a matching cap and rotor and uses hardened 20CR steel gears for improved wear resistance. The unit meets common OEM fit and function expectations and is built with quality control and a one-year warranty for added buyer protection. Before ordering, compare the photos and fitment details to your original part to confirm compatibility with your vehicle.\u003c\/p\u003e\n\n\u003ch3\u003eWill this distributor fit my Chevy small- or big-block engine?\u003c\/h3\u003e\n\n\u003cp\u003eThe MAS distributor is intended to be compatible with many Chevy\/GM engines, including SBC series 305, 307, 327, 350, and 400, plus big-block 396, 427, and 454 applications. Fitment can vary by year and accessory configuration, so physical comparison is recommended.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDesigned for Chevrolet small-blocks and big-blocks listed in fitment details.\u003c\/li\u003e\n  \u003cli\u003eIncludes cap and rotor sized to common HEI flange patterns.\u003c\/li\u003e\n  \u003cli\u003eCompare rotor length, gear type, and mounting flange to original part.\u003c\/li\u003e\n  \u003cli\u003eCheck distributor shaft orientation and vacuum advance (if applicable).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the MAS unit perform under higher RPM and ignition demands?\u003c\/h3\u003e\n\n\u003cp\u003eThis distributor supports coil output capable of up to 65,000 volts and is rated for reliable spark delivery up to 7,500 RPM—suitable for many performance and street applications. The construction targets consistent spark timing and robust ignition energy for typical gasoline engines using HEI-style systems.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigh-voltage coil compatibility for stronger spark and stable combustion.\u003c\/li\u003e\n  \u003cli\u003eRated operation to 7,500 RPM for spirited driving and light performance use.\u003c\/li\u003e\n  \u003cli\u003eCap and rotor matched to maintain correct spark sequence and dwell.\u003c\/li\u003e\n  \u003cli\u003eBuilt to reduce misfires from worn or fatigued OEM distributors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the durability features and materials used?\u003c\/h3\u003e\n\n\u003cp\u003eMAS uses specially treated 20CR steel for the driven gears to enhance hardness and wear resistance compared with untreated components. Assembly follows quality-control checkpoints and the product is offered with a one-year limited warranty to address manufacturing defects.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e20CR steel gears treated for improved longevity under load.\u003c\/li\u003e\n  \u003cli\u003eFull cap and rotor included to replace worn ignition tops and contacts.\u003c\/li\u003e\n  \u003cli\u003eManufactured to meet common OEM dimensional standards for straightforward replacement.\u003c\/li\u003e\n  \u003cli\u003eBacked by a one-year warranty covering defects in materials and workmanship.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I verify compatibility before purchasing?\u003c\/h3\u003e\n\n\u003cp\u003eBecause distributors vary by model year and factory options, visually comparing the MAS unit to your existing distributor is the safest way to confirm fit. Check the pictures provided, your vehicle's service manual, and the fitment notes to avoid returns.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMatch mounting flange shape and bolt hole pattern to your engine.\u003c\/li\u003e\n  \u003cli\u003eCompare gear spline count and shaft length to your original distributor.\u003c\/li\u003e\n  \u003cli\u003eVerify cap terminal layout and vacuum advance style if applicable.\u003c\/li\u003e\n  \u003cli\u003eUse part numbers and vehicle year\/engine data to cross-reference fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MAS Performance Ignition Distributor is aimed at owners and mechanics replacing a worn or damaged HEI-style distributor in classic and late-model Chevy\/GM V8s who want an affordable, robust replacement. It suits street drivers, restoration projects, and light performance builds that need a dependable, OEM-dimensioned distributor with improved gear durability and higher-voltage ignition capability.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this distributor include the cap and rotor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the MAS distributor ships complete with cap and rotor for a full replacement installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this compatible with a Chevy 350 small-block?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it is listed as compatible with Chevy 350 SBC, but verify gear and flange match your year and setup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55169124041047,"sku":"B082VJXVPK","price":101.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-distributor-front-assembly.jpg?v=1790419003"},{"product_id":"mas-ignition-coil-set-for-ford-6-8l-v10-super-duty-10-pack-direct-replacement-oe-fit-3w7z-12029-aa-dg508","title":"MAS Ignition Coil Set for Ford 6.8L V10 Super Duty — 10-Pack Direct-Replacement, OE Fit (3W7Z-12029-AA\/DG508)","description":"\u003cp\u003e\u003cstrong\u003eMAS Set of 10 ignition coils is a complete direct-replacement pack engineered to restore spark delivery for Ford 6.8L V10 Super Duty engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese ten coil packs are built to match OE fitment for many Ford E-Series, F-Series and Excursion vehicles that use the 6.8L V10 powertrain. Supplied as a full set, they replace worn or failing coils identified by part numbers like 3W7Z-12029-AA and DG508, offering a straightforward swap that minimizes diagnostic time and parts mismatch. Before purchasing, confirm compatibility with your vehicle's year and production month, since ignition coil designs changed across some model years.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Ford models and years will these coils fit?\u003c\/h3\u003e\n\u003cp\u003eThese coils are specified for a wide range of Super Duty and E-Series models fitted with the 6.8L V10. Fitment covers many E-350\/E-450\/E-550 applications and most F-250 through F-550 Super Duty trucks, plus Excursion and motorhome chassis like F53\/F59 across specific years. Always verify the fitment tool or the vehicle’s service manual to match the exact production month and engine harness configuration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCovered E-Series: 1997–2017 E-350\/E-450\/E-550 variants across listed years\u003c\/li\u003e\n  \u003cli\u003eCovered F-Series\/Excursion: 1999–2007 F-250\/F-350\/F-450\/F-550 and 2000–2005 Excursion in many model years\u003c\/li\u003e\n  \u003cli\u003eIncludes motorhome chassis fitments such as certain 2016 F53\/F59 entries\u003c\/li\u003e\n  \u003cli\u003eDouble-check year\/month fitment when ordering to avoid mismatches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these coils compare to original OEM parts?\u003c\/h3\u003e\n\u003cp\u003eMAS coils are manufactured as direct replacement units intended to meet the same mounting, terminal, and electrical interface as the original equipment parts. The set is matched to typical OEM part numbers (3W7Z-12029-AA, DG508, and others) so installation uses existing wiring and brackets without modification. While designed to be functionally equivalent, differences in manufacturing tolerances or materials may exist versus factory coils.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-replacement dimensions and electrical terminals match OEM specifications\u003c\/li\u003e\n  \u003cli\u003eSold as a full 10-coil kit for complete engine coverage and consistent performance\u003c\/li\u003e\n  \u003cli\u003eCompatible with many OEM numbers including DG508 and FD508 series\u003c\/li\u003e\n  \u003cli\u003eIntended for plug-and-play installation with existing harnesses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the benefits of replacing all 10 coils at once?\u003c\/h3\u003e\n\u003cp\u003eReplacing the entire coil set at once avoids repeated service visits and ensures uniform performance across all cylinders. When one coil fails on multi-coil engines like the V10, others often follow due to age and operating stress; a full set renews spark delivery and simplifies troubleshooting. Buying a matched kit also helps prevent cylinder-to-cylinder variability and can save on labor costs compared with phased replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores balanced ignition across all ten cylinders\u003c\/li\u003e\n  \u003cli\u003eReduces likelihood of repeat failures and repeated labor charges\u003c\/li\u003e\n  \u003cli\u003eEnsures consistent electrical characteristics from new coils\u003c\/li\u003e\n  \u003cli\u003eIdeal when mileage or age suggests widespread wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before ordering this MAS ignition coil set?\u003c\/h3\u003e\n\u003cp\u003eConfirm your vehicle’s engine is the 6.8L V10 and verify the exact model year and production month against the seller’s fitment list. Inspect the original coil’s part number and connector style; some production runs used different coil designs. Also examine wiring harness condition—corroded connectors or damaged insulation should be repaired to prevent new coil failures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify engine displacement is 6.8L V10 and model\/year matches the fitment list\u003c\/li\u003e\n  \u003cli\u003eMatch existing coil part numbers like 3W7Z-12029-AA or DG508 before purchase\u003c\/li\u003e\n  \u003cli\u003eCheck harness connectors and terminal condition for corrosion or heat damage\u003c\/li\u003e\n  \u003cli\u003eHave basic tools and torque specs ready for proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MAS set of 10 ignition coils is aimed at owners, fleet managers and technicians who maintain Ford vehicles with the 6.8L V10—especially E-Series vans, Super Duty trucks and Excursions—seeking a complete, direct-replacement kit to resolve ignition issues efficiently. It suits anyone preparing a full-coil service, performing engine rebuild prep, or replacing aging ignition components to maintain consistent engine operation. Remember to confirm fitment for your specific production month and model year before ordering.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these coils a direct fit for part number 3W7Z-12029-AA?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, this MAS set is sold as a direct replacement compatible with 3W7Z-12029-AA and related OEM numbers, but verify your vehicle year and month first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I replace all coils at once?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacing all ten coils together provides uniform ignition, reduces repeat labor, and is recommended when several coils show age-related wear.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55169159430487,"sku":"B075H1QZSH","price":82.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-coil-pack-front-view.jpg?v=1790419751"},{"product_id":"mas-ignition-coils-uf303-2-8l-l4-replacement-set-of-4-for-2004-2006-chevy-colorado-gmc-canyon-direct-fit-oe-cross-reference","title":"MAS Ignition Coils UF303 2.8L L4 Replacement Set of 4 for 2004-2006 Chevy Colorado GMC Canyon — Direct-Fit, OE Cross-Reference","description":"\u003cp\u003e\u003cstrong\u003eMAS Ignition Coils UF303 (set of 4) are direct-fit replacement coils engineered to restore ignition performance on 2004–2006 Chevy Colorado, 2004–2006 GMC Canyon 2.8L and 2006 Isuzu i-280 2.8L engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese MAS ignition coils are designed as a like-for-like replacement for factory units, matching the electrical and mounting specifications listed for OE part numbers such as UF-303, IC414 and related cross-references. Sold as a set of four, the coils arrive ready to swap in without modification and include a 1-year limited warranty for added confidence. The product targets owners and technicians who need reliable coil replacements that fit specific 2.8L L4 applications from the mid-2000s.\u003c\/p\u003e\n\n\u003ch3\u003eWill these coils physically fit my 2004–2006 Chevy Colorado or GMC Canyon?\u003c\/h3\u003e\n\u003cp\u003eYes. MAS engineered the UF303 coils to meet the fitment and connector layout used on the 2.8L L4 model years you specified. They replicate mounting bosses, terminal spacing and boot length so installation follows the original routing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit for 2004–2006 Chevy Colorado 2.8L L4\u003c\/li\u003e\n  \u003cli\u003eDirect fit for 2004–2006 GMC Canyon 2.8L L4\u003c\/li\u003e\n  \u003cli\u003eCompatible with 2006 Isuzu i-280 2.8L L4\u003c\/li\u003e\n  \u003cli\u003eMatches OE connector style and bolt pattern\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these replacement coils match the original equipment specifications?\u003c\/h3\u003e\n\u003cp\u003eMAS UF303 coils list multiple OE cross-reference numbers to ensure electrical compatibility with original systems. The coils are built to meet the required primary and secondary winding characteristics and include the same style plug boots used by the factory parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-references include UF-303, IC414 and 12568062 among others\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet factory electrical and mechanical dimensions\u003c\/li\u003e\n  \u003cli\u003ePre-formed boots for correct spark plug engagement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what warranty is included?\u003c\/h3\u003e\n\u003cp\u003eThe package contains a set of four MAS ignition coils, ready for immediate installation. MAS backs this coil set with a 1-year limited warranty that covers manufacturing defects—check warranty terms for exclusions and installation guidance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes 4 MAS ignition coils (complete set)\u003c\/li\u003e\n  \u003cli\u003e1-year limited warranty from date of purchase\u003c\/li\u003e\n  \u003cli\u003eSold as a full-bank replacement for L4 engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I prepare for installation and what maintenance tips help longevity?\u003c\/h3\u003e\n\u003cp\u003eBefore replacing coils, inspect spark plugs, plug wires (if applicable) and the ignition connector for corrosion or oil contamination. Tighten mounting bolts to the manufacturer’s torque specification and ensure connectors click fully into place.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace spark plugs if they show wear or incorrect gap\u003c\/li\u003e\n  \u003cli\u003eClean or replace corroded connectors and seals\u003c\/li\u003e\n  \u003cli\u003eVerify mounting torque and connector engagement during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MAS UF303 ignition coil set is intended for owners, fleet managers and independent mechanics working on 2004–2006 Chevy Colorado or GMC Canyon trucks with the 2.8L inline-4, and for technicians repairing 2006 Isuzu i-280 vehicles. It’s a practical choice when you need factory-style replacement coils in a complete set with clear OE cross-references and a one-year limited warranty.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these coils compatible with other part numbers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The MAS UF303 lists multiple OE cross-references like IC414 and 12568062 for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the purchase include a warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This set includes a 1-year limited warranty covering manufacturing defects.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170312274263,"sku":"B0814353QD","price":88.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-uf303-front-view.jpg?v=1790427445"},{"product_id":"mas-ignition-coil-pack-set-of-5-for-2004-2006-chevrolet-colorado-gmc-canyon-3-5l-3-7l-l5-direct-fit-oe-style-replacement","title":"MAS Ignition Coil Pack Set of 5 for 2004-2006 Chevrolet Colorado GMC Canyon 3.5L \/ 3.7L L5 — Direct-Fit OE-Style Replacement","description":"\u003cp\u003e\u003cstrong\u003eMAS Set of 5 ignition coil packs designed to replace worn coils on select 3.5L and 3.7L L5 engines for a direct-fit replacement.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle is showing signs of ignition coil wear or you’re preparing for a preventative tune-up, this MAS five-pack gives you the matching coil modules needed for straightforward replacement on compatible Chevrolet, GMC, Hummer and Isuzu models. Each coil is manufactured to match OE mounting points and plug connections so installation is simple for DIY mechanics and professional shops alike.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will these coils fit?\u003c\/h3\u003e\n\u003cp\u003eThese coil packs are intended for naturally aspirated 3.5L and 3.7L L5 engines across several GM and Isuzu platforms. Verify your year, make and model before ordering to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2004–2006 Chevrolet Colorado — 3.5L L5 naturally aspirated\u003c\/li\u003e\n  \u003cli\u003e2004–2006 GMC Canyon — 3.5L L5 naturally aspirated\u003c\/li\u003e\n  \u003cli\u003e2006 Hummer H3 — 3.5L L5 naturally aspirated\u003c\/li\u003e\n  \u003cli\u003e2006 Isuzu i-350 — 3.5L L5 naturally aspirated\u003c\/li\u003e\n  \u003cli\u003e2007–2008 Isuzu i-370 — 3.7L L5 naturally aspirated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these MAS coils address common ignition problems?\u003c\/h3\u003e\n\u003cp\u003eWorn or failing coils can cause no-start conditions, misfires, reduced power and other drivability symptoms. Replacing problematic coils with matching MAS units can restore consistent spark delivery and improve engine smoothness when the underlying issue is coil-related.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps correct hard starts and extended crank times when coils are the cause\u003c\/li\u003e\n  \u003cli\u003eCan reduce misfire events linked to weak or intermittent spark\u003c\/li\u003e\n  \u003cli\u003eSupports more stable idle and throttle response compared with degraded coils\u003c\/li\u003e\n  \u003cli\u003eMay help avoid secondary issues like spark plug fouling or catalytic stress\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat part numbers and fitment cross-references should I check?\u003c\/h3\u003e\n\u003cp\u003eConfirm compatibility by comparing your original coil part number to MAS cross-references. The MAS pack covers many common OE and aftermarket references used on the models listed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible references include UF303, C1395, E255 and GN10114\u003c\/li\u003e\n  \u003cli\u003eAlso cross-references DW01659, C642, C1666 and 5C1723\u003c\/li\u003e\n  \u003cli\u003eAdditional numbers: 610-00109, 6737200, 1788390 and several OEM codes\u003c\/li\u003e\n  \u003cli\u003eUse year\/make\/model lookup or compare printed part number before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and quality expectations come with this set?\u003c\/h3\u003e\n\u003cp\u003eEach MAS coil pack set is backed by a one-year warranty from the purchase date. The units are manufactured to be a direct-fit replacement and aim to meet the electrical and mounting specifications of the original coils.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-year limited warranty from date of purchase\u003c\/li\u003e\n  \u003cli\u003eEngineered for OE-style fitment and connector compatibility\u003c\/li\u003e\n  \u003cli\u003eSold as a set of five to replace all cylinders in the covered engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MAS Set of 5 ignition coil packs is for owners and technicians working on mid-2000s Chevrolet Colorado and GMC Canyon trucks, 2006 Hummer H3 owners, and drivers of 2006–2008 Isuzu i-350\/i-370 models who need a full-coil replacement or want to replace multiple coils at once for consistent performance. Confirm your vehicle’s engine code and original coil part number, or use the compatibility checker, before ordering to ensure a correct fit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I replace a single coil or should I replace all five?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can replace a single failing coil, but swapping all five ensures uniform wear and consistent performance across cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm these coils fit my truck?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compare your original coil part number or use the vehicle year\/make\/model lookup to verify compatibility before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170330624343,"sku":"B08143BM6R","price":103.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-front-packaging-assembly.jpg?v=1790427995"},{"product_id":"mas-hei-ignition-distributor-kit-for-chevy-v8s-red-cap-65kv-coil-complete-wiring","title":"MAS HEI Ignition Distributor Kit for Chevy V8s — Red Cap, 65kV Coil, Complete Wiring","description":"\u003cp\u003e\u003cstrong\u003eMAS Racing HEI Ignition Distributor kit is a complete OEM-compatible replacement that combines a 65,000-volt coil-in-cap distributor, cap, rotor, wiring pigtail and spark plug wires for Chevy small- and big-block V8 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis distributor assembly is built to restore reliable spark delivery in classic and performance Chevrolet engines from 4.6L truck V8s to 7.4L big-blocks. The kit matches OE fit and mounting dimensions for direct swap installations, uses hardened 20CR steel gears for long life, and includes a coil-in-cap HEI design with a red cap for easy identification. It ships with the wiring pigtail and a set of spark plug wires sized for correct routing, so you get a near plug-and-play replacement for engines like the 302, 350, 400, and 454.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this HEI distributor improve ignition reliability?\u003c\/h3\u003e\n\u003cp\u003eThe MAS Racing unit recreates the factory HEI coil-in-cap system, eliminating weak or corroded contacts found in worn distributors. The integrated 65kV coil and quality rotor ensure stronger spark energy and consistent timing pickup under load. Gearing and bearings are treated for durability to maintain accurate timing over many miles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntegrated 65,000-volt coil-in-cap HEI design for stronger spark\u003c\/li\u003e\n  \u003cli\u003e20CR treated steel gears resist wear and maintain timing\u003c\/li\u003e\n  \u003cli\u003eComplete kit includes cap, rotor, coil, pigtail, and wires\u003c\/li\u003e\n  \u003cli\u003eDirect-fit OEM dimensions for common Chevy SBC\/BBC engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit fit my Chevy small-block or big-block engine?\u003c\/h3\u003e\n\u003cp\u003eThis MAS Racing distributor is designed for a broad range of GM V8s, including popular small blocks and big blocks used in passenger cars and trucks. Cross-references include OEM numbers like 1035001 HEI and PC6001A HEI, so it will fit applications calling for those references. Confirm gear type and distributor shaft drive style on your engine before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Chevy small blocks: 283, 305, 307, 327, 350, 400\u003c\/li\u003e\n  \u003cli\u003eCompatible with Chevy big blocks: 396, 427, 454 and similar\u003c\/li\u003e\n  \u003cli\u003eFits various V8 displacements listed (4.6L–7.4L) when matched to OEM ref\u003c\/li\u003e\n  \u003cli\u003eIncludes plug wires and pigtail for correct routing and connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships as a complete ignition bundle: distributor assembly with red cap and rotor, a coil-in-cap, the correct pigtail wiring harness, and a set of spark plug wires. For most mechanics the distributor is a direct replacement using existing mounting and timing procedures; basic timing adjustment after installation is recommended. No extra modules or external coil are required with this coil-in-cap design.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne complete distributor (cap, rotor, coil-in-cap included)\u003c\/li\u003e\n  \u003cli\u003eOne matching wiring pigtail for stock connector compatibility\u003c\/li\u003e\n  \u003cli\u003eOne set of spark plug wires sized for proper engine routing\u003c\/li\u003e\n  \u003cli\u003eOne-year limited warranty for peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the MAS Racing distributor under performance driving?\u003c\/h3\u003e\n\u003cp\u003eThe distributor gears are manufactured from specially treated 20CR steel to resist wear under sustained operation and higher RPM use. The coil-in-cap HEI system reduces external wiring exposures and potential failure points, while the included spark plug wires use durable insulation suited for engine bay heat. While built for longevity, follow routine inspection intervals for high-performance applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHardened 20CR steel gear material for extended wear life\u003c\/li\u003e\n  \u003cli\u003eCoil-in-cap reduces external coil\/spark vulnerabilities\u003c\/li\u003e\n  \u003cli\u003eSpark plug wires sized for heat and routing protection\u003c\/li\u003e\n  \u003cli\u003eManufactured to meet OEM standards and fitment tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The MAS Racing HEI distributor kit is aimed at classic Chevy owners, restomod builders, and DIY mechanics who need a reliable, OEM-dimensioned replacement for small- and big-block V8s. It’s a good choice when you want a single-package swap that restores original HEI function—especially for vehicles using the referenced OEM part numbers or stock-style ignition systems. If your build requires electronic ignition conversion modules or non-standard gears, verify compatibility before ordering.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this distributor include the coil and rotor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes the coil-in-cap, distributor cap, and rotor for a complete replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Chevy engines is this compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for many GM V8s including 283–400 small blocks and 396–454 big blocks; check OEM ref numbers to confirm.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170386428247,"sku":"B0BQXCRCJC","price":128.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-racing-distributor-front-view.jpg?v=1790428913"},{"product_id":"mas-red-cap-hei-distributor-kit-for-chrysler-dodge-plymouth-v8-273-318-340-360-spark-wires-pigtail-20cr-steel-gears","title":"MAS Red Cap HEI Distributor Kit for Chrysler Dodge Plymouth V8 273\/318\/340\/360 — Spark Wires \u0026 Pigtail, 20CR Steel Gears","description":"\u003cp\u003e\u003cstrong\u003eMAS Red Cap HEI Distributor kit is a complete drop-in replacement that pairs a high-performance HEI distributor with matched spark plug wires and a free pigtail to restore ignition reliability on Chrysler, Dodge and Plymouth V8 engines (273\/318\/340\/360).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis all-in-one MAS kit is designed for classic Mopar V8s and late-model replacements that use the HEI system. It includes a red-cap HEI distributor, a full set of performance spark plug wires, and a free coil pigtail, engineered to meet OE fitment numbers (including 843890) and accommodate engines that rev to higher limits. The distributor uses hardened 20CR steel gears for long life and consistent timing, while the wires are matched to the module for optimized spark delivery.\u003c\/p\u003e\n\n\u003ch3\u003eWill this MAS HEI kit fit my classic Chrysler, Dodge or Plymouth?\u003c\/h3\u003e\n\u003cp\u003eFitment covers many factory V8 applications across model years commonly associated with 273, 318, 340 and 360 engines. Check your engine family and part cross-reference (843890) to confirm compatibility before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits many Chrysler Cordoba, LeBaron, New Yorker and Newport variants listed in the vehicle fitment.\u003c\/li\u003e\n  \u003cli\u003eCompatible with numerous Dodge trucks, vans and passenger cars from the 1970s through the 1980s.\u003c\/li\u003e\n  \u003cli\u003eAlso fits many Plymouth models including Barracuda, Duster, Road Runner and Fury series noted in the fitment list.\u003c\/li\u003e\n  \u003cli\u003eDesigned for V8 engines 273\/318\/340\/360 using HEI-style distributors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the MAS distributor improve ignition performance?\u003c\/h3\u003e\n\u003cp\u003eThe distributor is built with treated 20CR steel gears and precision internal components to hold timing and reduce wear under higher loads. Combined with matched spark plug wires and the included pigtail, the kit restores consistent spark energy and reduces misfires caused by old or degraded ignition parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTreated 20CR steel gear resists wear and maintains gear mesh over time.\u003c\/li\u003e\n  \u003cli\u003eNew cap and rotor ensure clean contact and accurate spark routing.\u003c\/li\u003e\n  \u003cli\u003eMatched wire set limits interference and maintains strong spark transfer.\u003c\/li\u003e\n  \u003cli\u003eFree pigtail simplifies coil connection and restores reliable coil feed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the installation and reliability expectations?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with HEI systems: remove the old distributor, transfer timing if required, and install the MAS unit. The kit arrives ready to install with plug wires and pigtail, and MAS backs the product with a one-year warranty for peace of mind.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect bolt-in replacement for listed HEI applications — may require minor timing adjustment.\u003c\/li\u003e\n  \u003cli\u003eComplete wire set included so you replace all ignition leads at once.\u003c\/li\u003e\n  \u003cli\u003eOne-year limited warranty covers manufacturing defects under normal use.\u003c\/li\u003e\n  \u003cli\u003eSupplied parts reduce diagnostic time versus replacing distributor or wires separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this kit support higher RPMs and performance tuning?\u003c\/h3\u003e\n\u003cp\u003eWhile designed primarily as a reliable replacement for stock HEI systems, the MAS distributor and performance wires are built to handle elevated engine speeds and typical mild performance upgrades. They provide stable timing and consistent spark up to higher rpm ranges indicated for these engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable internal components maintain timing at increased RPM.\u003c\/li\u003e\n  \u003cli\u003eWires matched to the module minimize misfires during hard acceleration.\u003c\/li\u003e\n  \u003cli\u003eSuitable for street performance and spirited driving; verify other ignition components for extreme racing use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MAS Red Cap HEI Distributor \u0026amp; Spark Plug Wires \u0026amp; Free Pigtail Kit is intended for owners and mechanics of classic Mopar V8 vehicles (Chrysler, Dodge, Plymouth) who need a reliable, OEM-compatible ignition replacement. It's ideal for restoration projects, preventative maintenance, or anyone upgrading aged ignition components to improve drivability and reduce tune-up headaches. Confirm engine type and part cross-reference before ordering to ensure the kit matches your vehicle's HEI application.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this MAS HEI kit include everything needed for replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes the HEI distributor, a full set of spark plug wires and a free coil pigtail for complete replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which engines and part numbers does this kit fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits V8 engines 273, 318, 340, 360 and is a replacement for part number 843890; verify vehicle fitment list for years\/models.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170439807319,"sku":"B09BDK4SJ1","price":125.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-red-cap-hei-distributor-front-view.jpg?v=1790429382"},{"product_id":"mas-hei-ignition-distributor-kit-for-ford-small-block-260-289-302-blue-racing-kit-with-65kv-distributor-spark-plug-wires-pigt","title":"MAS HEI Ignition Distributor Kit for Ford Small Block 260\/289\/302 — Blue Racing Kit with 65kV Distributor, Spark Plug Wires \u0026 Pigt","description":"\u003cp\u003e\u003cstrong\u003eMAS HEI Ignition Distributor kit is a complete replacement ignition system for Ford Small Block Windsor V8 engines (260, 289, 302) including a 65,000-volt distributor, spark plug wires, and a free pigtail wiring harness.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis MAS HEI Racing Kit (PE330U \/ 1030213) updates older points-style or worn electronic distributors with a high-voltage ignition unit, straight spark plug boots, 90-degree HEI distributor boots, and a free pigtail battery wiring harness. Built gears use heat-treated 20CR steel for durability, and the kit is engineered to directly fit classic Ford small-block Windsor V8s—helping simplify installation when restoring or upgrading street and racing engines.\u003c\/p\u003e\n\n\u003ch3\u003eWhat components are included and how do they fit my Ford small block?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships complete: one MAS HEI-style distributor assembly, a full set of 65KV spark plug wires with straight boots, and a free pigtail battery wiring harness. Fitment targets Ford Windsor V8s including 260, 289 and 302 cubic-inch engines and references OE part numbers such as 1030213 and PE330U for compatibility checks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDistributor: HEI electronic unit with 90-degree boots at the cap.\u003c\/li\u003e\n  \u003cli\u003eSpark plug wires: full-length set with straight spark plug boots.\u003c\/li\u003e\n  \u003cli\u003ePigtail: battery wiring harness included for power connection.\u003c\/li\u003e\n  \u003cli\u003eGears: hardened 20CR steel for wear resistance and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is the installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for mechanically inclined owners familiar with ignition timing and distributor removal. Basic tools, a timing light, and the vehicle’s service manual make the job faster; have replacement gaskets or seals on hand if the old distributor leaks or the mounting surface looks worn.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTools: timing light, basic hand tools, feeler gauges or timing gun.\u003c\/li\u003e\n  \u003cli\u003ePreparation: mark rotor and rotor-to-cylinder positions before removal.\u003c\/li\u003e\n  \u003cli\u003eChecks: verify tooth count\/gear alignment and distributor depth for correct meshing.\u003c\/li\u003e\n  \u003cli\u003ePost-install: set base timing per engine specs and confirm spark plug wire routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat technical features matter for performance and durability?\u003c\/h3\u003e\n\u003cp\u003eThe MAS HEI kit emphasizes reliable high-voltage delivery and durable mechanical components. A 65,000-volt distributor cap and matched plug wires improve spark energy delivery, while the specially treated 20CR steel gear resists wear under repeated engine cycles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e65KV rated distributor and wires for robust spark conduction.\u003c\/li\u003e\n  \u003cli\u003e90-degree distributor boots reduce stress at the cap connection.\u003c\/li\u003e\n  \u003cli\u003e20CR steel gear: heat-treated for hardness and wear resistance.\u003c\/li\u003e\n  \u003cli\u003eIncluded pigtail harness simplifies power feed hookup to the HEI module.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs there any warranty or part number cross-reference I should note?\u003c\/h3\u003e\n\u003cp\u003eMAS provides a one-year limited warranty on this HEI kit, covering defects in materials and workmanship under normal use. The unit cross-references common Ford part numbers like 1030213, PE330U and KA-1030213 to help you confirm fitment for your application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWarranty: one-year limited coverage from MAS.\u003c\/li\u003e\n  \u003cli\u003eCompatibility: listed for Ford 260, 289, 302 small-block engines.\u003c\/li\u003e\n  \u003cli\u003ePart numbers: 1030213, PE330U, KA-1030213 for cross-checking.\u003c\/li\u003e\n  \u003cli\u003ePackage: distributor, plug wires, and free pigtail harness included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The MAS HEI Ignition Distributor Racing Kit is aimed at classic Ford small-block owners, restorers, and performance hobbyists who want a direct-fit, higher-voltage electronic ignition upgrade. It suits those replacing worn distributors or converting from points-style systems to a single, packaged HEI solution that includes wires and a pigtail for straightforward installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this MAS HEI kit fit my 302 Windsor V8?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This kit is designed for Ford Windsor small-blocks including 260, 289 and 302 engines and cross-references part numbers like 1030213 and PE330U.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the package include spark plug wires and a harness?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes one distributor, a full set of 65KV spark plug wires, and a free pigtail battery wiring harness.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170540634455,"sku":"B09QFTWDWT","price":127.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-hei-distributor-front-view_9651699f-fb7c-40b8-8ec7-a09c98a335aa.jpg?v=1790430493"},{"product_id":"mas-ignition-coil-kit-with-motorcraft-sp546-sp515-spark-plugs-8-pack-straight-boot-for-ford-5-4l-v8-restores-spark-reduces-mi","title":"MAS Ignition Coil Kit with Motorcraft SP546\/SP515 Spark Plugs — 8-Pack Straight Boot for Ford 5.4L V8 (Restores Spark \u0026 Reduces Mi","description":"\u003cp\u003e\u003cstrong\u003eMAS 8-pack ignition coils with straight boots and included Motorcraft SP546\/SP515 spark plugs are a direct-fit replacement kit for Ford\/Lincoln 5.4L V8 engines, designed to restore spark delivery and engine drivability.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your 5.4L V8-equipped Ford or Lincoln is showing hard starts, misfires, or a check-engine light, this complete MAS kit combines eight replacement ignition coils and two Motorcraft plug types (SP546 and SP515) to simplify a full ignition refresh. Each coil is engineered as a direct replacement for common OE part numbers, and the straight-boot design matches the original mounting geometry for model years listed below. A one-year limited warranty is included for added assurance.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engine years will these coils and plugs fit?\u003c\/h3\u003e\n\u003cp\u003eThis MAS kit targets 5.4L V8 Ford and Lincoln models. Fitment covers a range of model years where the straight-boot coil design and Motorcraft spark plug types were factory used.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2004–2008 Ford F-150 (5.4L V8)\u003c\/li\u003e\n  \u003cli\u003e2005–2008 Ford Expedition (5.4L V8)\u003c\/li\u003e\n  \u003cli\u003e2005–2008 Ford F-250\/F-350 Super Duty (5.4L V8)\u003c\/li\u003e\n  \u003cli\u003e2005–2008 Lincoln Navigator and 2006–2008 Lincoln Mark LT (5.4L V8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does replacing coils and plugs improve performance and reliability?\u003c\/h3\u003e\n\u003cp\u003eWorn or failing coils and fouled plugs interrupt spark timing and strength, which can cause misfires, long cranking, and torque loss. Installing new coils plus the recommended Motorcraft plugs restores consistent ignition, helping to stabilize idle, reduce misfires, and improve throttle response.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores consistent spark to all cylinders\u003c\/li\u003e\n  \u003cli\u003eReduces rough idle and misfire codes\u003c\/li\u003e\n  \u003cli\u003eHelps prevent premature catalytic converter stress\u003c\/li\u003e\n  \u003cli\u003eCan improve fuel economy and transmission shift consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat parts and part numbers are included or replaced by this kit?\u003c\/h3\u003e\n\u003cp\u003eThe MAS package contains eight straight-boot ignition coils and Motorcraft SP546 and SP515 spark plugs to cover complete-bank replacement. The coils are engineered to match many OEM and aftermarket reference numbers so you can verify compatibility before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces DG511, DG511-equivalents and similar OE numbers\u003c\/li\u003e\n  \u003cli\u003eAlso compatible with part numbers like 3L3E-12A366-CA, 3L3Z-12029-BA, C1659\u003c\/li\u003e\n  \u003cli\u003eIncludes Motorcraft spark plug references SP546 and SP515 for correct gap and heat range\u003c\/li\u003e\n  \u003cli\u003eCheck vehicle year\/make\/model dropdown and interchange list to confirm fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard coil-on-plug replacement steps and requires basic hand tools. Because this is a full eight-coil kit paired with the specified Motorcraft plugs, the kit lets you complete a thorough ignition service in one session.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStraight-boot design aligns with factory mounting points—no modifications expected\u003c\/li\u003e\n  \u003cli\u003eTorque and gap specs: follow factory service manual for spark plug torque and coil bolt torque\u003c\/li\u003e\n  \u003cli\u003eReplace coils in a cool engine and handle connectors carefully to avoid damage\u003c\/li\u003e\n  \u003cli\u003eOne-year limited warranty covers defects—keep your purchase details\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this kit is for: Owners and technicians working on Ford F-150, Expedition, F-250\/F-350 Super Duty, Lincoln Navigator, or Mark LT with the 5.4L V8 who want a complete, direct-replacement ignition refresh. It’s suited for drivers experiencing ignition-related drivability issues, those performing scheduled maintenance, or repair shops needing a reliable bulk-fit solution with OE-referenced compatibility. Always confirm fitment with your vehicle’s year\/make\/model and the interchangeable part numbers before ordering.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these coils fit my 2006 Ford F-150 5.4L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this kit covers 2004–2008 F-150 5.4L models, but verify fit using your vehicle year\/make\/model and interchangeable part numbers first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the spark plugs come pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Motorcraft SP546 and SP515 are supplied to recommended specifications; always check and set the gap to your vehicle’s service manual before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170708242775,"sku":"B0777SF5QM","price":221.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-ignition-coils-front-packaging.jpg?v=1790433194"},{"product_id":"mas-ignition-coil-pack-spark-plug-kit-6-piece-for-ford-lincoln-3-5l-3-7l-v6-direct-fit-oem-style-replacement","title":"MAS Ignition Coil Pack \u0026 Spark Plug Kit 6-Piece for Ford\/Lincoln 3.5L–3.7L V6 — Direct-Fit OEM-Style Replacement","description":"\u003cp\u003e\u003cstrong\u003eMAS 6-piece ignition coil pack paired with 6 Motorcraft SP589 platinum spark plugs is a direct-fit replacement kit for naturally aspirated 3.5L and 3.7L Ford and Lincoln V6 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete ignition service kit provides the coils and spark plugs commonly replaced together to restore consistent spark delivery and engine response on compatible Ford, Lincoln and Mercury models. The set is engineered to match OEM form, fit and function for specified naturally aspirated engines, and it ships with a one-year warranty. Before purchasing, verify your engine is naturally aspirated, since these coils are not intended for turbocharged applications.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will this MAS coil-and-plug kit fit?\u003c\/h3\u003e\n\u003cp\u003eThe kit was designed for naturally aspirated 3.5L and 3.7L V6 engines in a range of Ford, Lincoln and Mercury models from roughly 2011–2018 depending on model. It matches the mounting footprint and electrical connector of the factory parts listed in the compatible part numbers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon fits include Ford Edge, Explorer, F-150, Flex, Mustang, Transit vans and Police Interceptor models (see full fitment list).\u003c\/li\u003e\n  \u003cli\u003eAlso suitable for Lincoln MKS, MKT and MKX where the same NA V6 is used.\u003c\/li\u003e\n  \u003cli\u003eNot compatible with turbocharged engines; check engine designation before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does replacing coils and spark plugs together help my car?\u003c\/h3\u003e\n\u003cp\u003eSwapping ignition coils and spark plugs at the same time ensures matched performance and minimizes misfires, rough idle and uneven cylinder contribution. Fresh plugs reduce required coil voltage and let new coils operate within optimal parameters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores consistent combustion across all cylinders for smoother idle.\u003c\/li\u003e\n  \u003cli\u003eHelps remove intermittent misfire codes related to ignition components.\u003c\/li\u003e\n  \u003cli\u003eSimplifies maintenance by addressing both wear items in one service interval.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these parts direct replacements and what part numbers do they match?\u003c\/h3\u003e\n\u003cp\u003eYes — the MAS coil pack and Motorcraft SP589 platinum spark plugs are supplied to match OEM specifications and electrical connectors for the engines listed. The kit references a number of compatible OEM and aftermarket part numbers so you can confirm fitment with your vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCoil-compatible replacements include DG520, UF553 and several factory 7T4E-12A375-EX style part numbers.\u003c\/li\u003e\n  \u003cli\u003eSpark plugs match Motorcraft SP589 platinum specifications recommended for these V6 engines.\u003c\/li\u003e\n  \u003cli\u003eBundle contains six coils and six plugs for a complete bank replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before buying and what warranty does it include?\u003c\/h3\u003e\n\u003cp\u003eVerify that your vehicle uses a naturally aspirated 3.5L or 3.7L V6 and confirm the coil connector style (2-pin) matches the factory unit. The kit includes a one-year warranty covering manufacturing defects for customer protection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm engine is not turbocharged — these coils are not suitable for turbocharged engines.\u003c\/li\u003e\n  \u003cli\u003eInspect connector type and coil mounting to ensure physical compatibility.\u003c\/li\u003e\n  \u003cli\u003eOne-year warranty included; keep purchase record for any potential claims.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MAS 6-coil + 6 Motorcraft SP589 spark plug bundle is aimed at DIY enthusiasts and independent shops performing full-bank ignition service on naturally aspirated Ford\/Lincoln 3.5L and 3.7L V6 engines. It suits owners wanting matched coils and OEM-style platinum plugs delivered as a single kit to restore ignition reliability and reduce drivability issues related to worn ignition components.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can these coils be used on turbocharged engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These MAS coils are not suitable for turbocharged engines; they fit naturally aspirated 3.5L and 3.7L V6 applications only.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include all parts for a full-bank replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The bundle contains six MAS ignition coils and six Motorcraft SP589 spark plugs for a complete bank replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170752577879,"sku":"B0BGKSLMB3","price":186.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-coil-pack-front-view_9d15b7fc-dc16-4ab6-a818-3f95619e8a8a.jpg?v=1790433503"},{"product_id":"mas-ignition-coil-and-spark-plug-kit-for-5-4l-v8-8-straight-boot-coils-dg511-8-motorcraft-sp546-platinum-plugs-direct-fit","title":"MAS Ignition Coil and Spark Plug Kit for 5.4L V8 — 8 Straight-Boot Coils (DG511) + 8 Motorcraft SP546 Platinum Plugs, Direct-Fit","description":"\u003cp\u003e\u003cstrong\u003eHigh-performance replacement kit: eight MAS straight-boot ignition coils (DG511) paired with eight Motorcraft Platinum SP546 spark plugs, engineered to fit specified 5.4L Ford and Lincoln V8 models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete ignition pack supplies the coils and spark plugs needed to restore consistent ignition across all eight cylinders on compatible Ford and Lincoln 5.4L V8 engines. The MAS coils are direct-fit replacements for straight-boot OEM styles and are bundled with Motorcraft SP546 platinum spark plugs for reliable combustion and dependable starting. The set aims to simplify maintenance by providing the matched parts for one cylinder bank service or a full engine refresh.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engine models will this kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit fits a range of Ford and Lincoln vehicles equipped with the 5.4L V8 engine from model years around 2004–2008 when the straight-boot coil design was used. Always verify your vehicle’s boot shape and part numbers before ordering to confirm compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2005–2008 Ford Expedition 5.4L V8\u003c\/li\u003e\n  \u003cli\u003e2004–2008 Ford F-150 5.4L V8\u003c\/li\u003e\n  \u003cli\u003e2005–2008 Ford F-250\/F-350 Super Duty 5.4L V8\u003c\/li\u003e\n  \u003cli\u003e2006–2008 Lincoln Mark LT and 2005–2008 Lincoln Navigator 5.4L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm I need the DG511 straight-boot coils rather than another style?\u003c\/h3\u003e\n\u003cp\u003eInspect the coil boots on your engine: straight boots extend directly from the coil, while curved boots bend toward the spark plug. The model year and OEM part numbers also help identify the right design—use both visual checks and part cross-references.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare the boot shape (straight vs. curved) visually\u003c\/li\u003e\n  \u003cli\u003eCheck OEM cross-reference numbers like 3L3E-12A366-CA, C1541, UF537, FD508\u003c\/li\u003e\n  \u003cli\u003eDG508 = curved boots; DG511 = straight boots; DG521 = brown-boot variants\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat do I get in the package and what warranty covers it?\u003c\/h3\u003e\n\u003cp\u003eThe box contains eight MAS DG511 ignition coils and eight Motorcraft SP546 platinum spark plugs—enough to service all cylinders on an eight-cylinder 5.4L engine. MAS backs the components with a one-year limited warranty for manufacturing defects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContents: 8 x MAS DG511 ignition coils + 8 x Motorcraft SP546 spark plugs\u003c\/li\u003e\n  \u003cli\u003eCompatible OEM numbers listed for cross-checking\u003c\/li\u003e\n  \u003cli\u003eOne-year limited warranty against defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these coils and plugs improve drivability or start-up consistency?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn coils and plugs can restore smooth idling, reduce misfires, and support reliable starts, but results depend on overall engine condition and correct installation. Use the specified plugs and coil type for your engine to ensure expected performance benefits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFresh platinum plugs help maintain consistent spark timing\u003c\/li\u003e\n  \u003cli\u003eDirect-fit MAS coils restore OEM-style ignition delivery\u003c\/li\u003e\n  \u003cli\u003eProper gap and torque of plugs are essential for results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MAS + Motorcraft ignition kit is aimed at owners and technicians working on Ford F-150, Expedition, Super Duty trucks, and Lincoln models with the 5.4L V8 who need a full eight-cylinder coil-and-plug replacement. It’s appropriate for do-it-yourself mechanics, fleet maintenance shops, and professional installers who want OEM-compatible parts with an included warranty and clear cross-references for fitment verification.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these coils fit curved-boot applications?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. DG511 coils are straight-boot style. For curved boots choose DG508; brown boots use DG521. Verify your boot shape before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which models and years are compatible with this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits many 2004–2008 Ford F-150, Expedition, F-250\/F-350 Super Duty and 2005–2008 Lincoln Navigator\/Mark LT with the 5.4L V8 using straight-boot coils.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170760966487,"sku":"B0743LRJ7L","price":221.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-coil-pack-front-view_8e3190c4-0d70-4691-a136-0d1dcb660600.jpg?v=1790433635"},{"product_id":"mas-ignition-coil-and-platinum-spark-plug-kit-for-ford-5-4l-v8-set-of-8-straight-boot-dg511-plug-and-play-replacement","title":"MAS Ignition Coil and Platinum Spark Plug Kit for Ford 5.4L V8 – Set of 8 Straight-Boot DG511, Plug-and-Play Replacement","description":"\u003cp\u003e\u003cstrong\u003eMAS delivers a complete ignition overhaul for Ford 5.4L V8 engines: eight straight-boot DG511 ignition coils plus eight platinum spark plugs for plug-and-play replacement.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Ford F-150, F-250, F-350, Expedition, Lincoln Navigator or Mark LT with a 5.4L V8 is showing rough idling, misfires, or you’re performing scheduled maintenance, this MAS kit replaces both coils and plugs in one purchase. The kit pairs MAS straight-boot coil packs (DG511) with Motorcraft-style platinum spark plugs (SP546) sized for 5.4L SOHC\/DOHC engines from model years commonly listed. It’s sold as a matched set to restore reliable ignition, simplify installation and avoid mixing old coils with new plugs.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know these parts will fit my Ford or Lincoln?\u003c\/h3\u003e\n\u003cp\u003eFit depends on engine type, model year and boot shape. This kit is intended for many Ford\/Lincoln 5.4L V8 applications across 2004–2008, but you should verify boot style (straight vs curved) and cross-reference original part numbers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with many 5.4L SOHC\/DOHC models including F-150, F-250, F-350, Expedition, Navigator and Mark LT.\u003c\/li\u003e\n  \u003cli\u003eDG511 is for straight boots; DG508 covers curved boots; DG521 for brown boots.\u003c\/li\u003e\n  \u003cli\u003eCross-reference OEM numbers like 3L3U12A366BB, 3L3Z12029BA, FD508, SP546 before ordering.\u003c\/li\u003e\n  \u003cli\u003eUse vehicle year, month and your garage or VIN lookup to confirm exact match.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat improvements should I expect after installing this ignition kit?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn coils and plugs helps restore consistent spark delivery and combustion. You may notice smoother idle, firmer throttle response and fewer misfire codes when worn ignition components are the cause.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMore consistent ignition across all eight cylinders.\u003c\/li\u003e\n  \u003cli\u003eReduced misfire occurrences compared with degraded coils or plugs.\u003c\/li\u003e\n  \u003cli\u003eSimplified diagnostics because all ignition components are new and matched.\u003c\/li\u003e\n  \u003cli\u003ePlatinum plugs balance longevity and performance for everyday driving.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a straightforward mechanical task for someone with basic automotive tools and experience changing coils and spark plugs. Work on a cool engine, follow torque specs, and swap one coil\/plug at a time to avoid mix-ups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequired tools: ratchet, spark plug socket, torque wrench, dielectric grease optional.\u003c\/li\u003e\n  \u003cli\u003eReplace coils and plugs one cylinder at a time to preserve firing order.\u003c\/li\u003e\n  \u003cli\u003eCheck boot orientation—this kit contains straight-boot coils (DG511).\u003c\/li\u003e\n  \u003cli\u003eObserve torque specs and gap settings if needed; inspect wiring harness condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this kit is for: technicians, DIY mechanics and fleet owners who want a full ignition refresh for Ford\/Lincoln 5.4L V8 vehicles. Choose MAS when you need a matched set of eight straight-boot ignition coils and eight platinum spark plugs for reliable replacement, simplified maintenance, and a one-year limited warranty. If your vehicle uses curved or brown boots, consult part references (DG508, DG521) or your vehicle’s factory documentation before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these coils compatible with curved boot applications?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—this kit includes DG511 straight-boot coils. For curved boots choose DG508; DG521 is for brown boots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the spark plugs come pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Platinum plugs typically come pre-gapped to factory specs, but verify gap before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170796683607,"sku":"B07MX6NWT5","price":221.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-front-packaging-mas-ignition-kit.jpg?v=1790434348"},{"product_id":"mas-ignition-coils-spark-plugs-kit-set-of-8-dg511-coils-motorcraft-sp546-plugs-fits-ford-5-4l-v8-2004-2008","title":"MAS Ignition Coils \u0026 Spark Plugs Kit — Set of 8 DG511 Coils \u0026 Motorcraft SP546 Plugs, Fits Ford 5.4L V8 (2004–2008)","description":"\u003cp\u003e\u003cstrong\u003eMAS Set of 8 ignition coils DG511 with 8 Motorcraft spark plugs SP546\/SP515 is a complete replacement kit designed for Ford 5.4L V8 engines and compatible Lincoln models from mid-2000s.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement kit bundles eight MAS ignition coils (DG511\/FD508-compatible) and eight Motorcraft spark plugs (PZH14F\/SP546\/SP515 variants) so you can swap every cylinder component at once. It targets 2004–2008 Ford F-150 and F-Series Super Duty trucks, 2005–2008 Expeditions, and Lincoln Navigator\/Mark LT models with the 5.4L V8. The pack helps restore even firing and simplifies maintenance by using matched components selected to work together on the specified engines.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these coils and plugs fit my Ford or Lincoln 5.4L V8?\u003c\/h3\u003e\n\u003cp\u003eThe kit lists compatible model years and common OEM cross-reference numbers to help verify fitment. Use your vehicle year\/make\/model selector and compare original part numbers—especially if your engine uses different boot colors or coil variants. If your existing coils have brown boots, DG521 is the correct alternative instead of DG511.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 2004–2008 Ford F-150 5.4L V8 and 2005–2008 F-250\/F-350 Super Duty 5.4L V8\u003c\/li\u003e\n  \u003cli\u003eFits 2005–2008 Ford Expedition and Lincoln Navigator, 2006–2008 Lincoln Mark LT 5.4L V8\u003c\/li\u003e\n  \u003cli\u003eCross-references: 3L3U12A366BB, 3L3Z12029BA, DG511, FD508, PZH14F, HT15, PZT14F, SP515, SP546\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance or reliability benefits can I expect after installing the full set?\u003c\/h3\u003e\n\u003cp\u003eReplacing all eight coils and plugs together reduces misfires, rough idle, and inconsistent throttle response caused by degraded ignition parts. Using a matched set promotes uniform spark delivery across cylinders, which helps the engine run smoother and can improve starting consistency. It’s also easier diagnostically—if problems persist, they’re less likely due to mixed-age ignition components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores consistent spark timing across all cylinders\u003c\/li\u003e\n  \u003cli\u003eReduces misfire-related rough idling and hesitation\u003c\/li\u003e\n  \u003cli\u003eSimplifies troubleshooting by eliminating mixed-condition parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before ordering to avoid incorrect parts?\u003c\/h3\u003e\n\u003cp\u003eConfirm the part fitment with the year\/make\/model dropdown and compare the original coil boot color and part numbers. Some engines use visually similar variants; selecting the wrong coil boot type or a non-matching spark plug thread\/heat range can result in poor fit or performance. When in doubt, match your old coil imprint and the OEM cross-reference numbers listed with the kit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify your vehicle year, make, and model in the fitment selector\u003c\/li\u003e\n  \u003cli\u003eCompare existing coil numbers and boot color (brown boots require DG521)\u003c\/li\u003e\n  \u003cli\u003eConfirm spark plug thread size and recommended heat range against OEM specs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and what warranty coverage comes with the kit?\u003c\/h3\u003e\n\u003cp\u003eThe package contains eight MAS ignition coils (DG511\/FD508 compatible) and eight Motorcraft spark plugs (SP546\/SP515\/PZH14F compatible), providing a full ignition set for V8 engines listed. MAS backs this kit with a one-year warranty against defects; keep records of purchase and fitment confirmation to streamline any warranty claim. Installation hardware or gaskets are not included, so have basic tools and replacement seals ready if necessary.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes: 8 MAS ignition coils + 8 Motorcraft spark plugs\u003c\/li\u003e\n  \u003cli\u003eCommon compatible part numbers provided for cross-checking\u003c\/li\u003e\n  \u003cli\u003eOne-year warranty from MAS on kit components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This kit is intended for owners and technicians working on mid-2000s Ford F-Series, Expedition, and Lincoln 5.4L V8 vehicles who want a matched, full-bank ignition replacement. It’s suited to anyone replacing worn coils or plugs, addressing misfires, or performing preventative maintenance. Make sure to verify your vehicle’s exact coil variant and original part numbers before purchase to ensure correct fitment.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these coils compatible with brown boot variants?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. If your original coils have brown boots you likely need the DG521 variant instead of the DG511 in this kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include a warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. MAS provides a one-year warranty on the ignition coils and spark plugs included in this kit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170912092503,"sku":"B071RPF4VR","price":226.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-front-packaging-coils-plugs.jpg?v=1790435183"},{"product_id":"mas-ignition-coil-spark-plug-kit-set-of-6-with-motorcraft-sp411-for-3-5l-3-7l-v6-direct-fit-replacement","title":"MAS Ignition Coil \u0026 Spark Plug Kit - Set of 6 with Motorcraft SP411 for 3.5L\/3.7L V6 Direct-Fit Replacement","description":"\u003cp\u003e\u003cstrong\u003eMAS replacement set includes six ignition coil packs and six Motorcraft SP411 platinum spark plugs engineered to restore consistent spark to compatible 3.5L and 3.7L naturally aspirated V6 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete ignition service kit pairs MAS ignition coils built as direct-fit substitutes with Motorcraft SP411 platinum plugs to provide a coordinated swap for worn or failing ignition components. Carefully matched to common OEM part numbers, the set is packaged for a full six-cylinder bank replacement and ships with a one-year limited warranty. Before ordering, confirm your vehicle uses a naturally aspirated 3.5L or 3.7L V6 engine, since this kit is not for turbocharged variants.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will this MAS kit fit?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit is designed for many Ford, Lincoln, Mazda and Mercury models equipped with naturally aspirated 3.5L or 3.7L V6 engines from model years around 2007–2015. Fitment covers several platform variants where the factory coils use two-pin connectors. Always verify your engine bay and connector type prior to installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCommon fit: 2007–2010 Ford Edge 3.5L, 2009–2010 Ford Flex 3.5L\u003c\/li\u003e\n  \u003cli\u003eAlso fits: 2010–2012 Ford Fusion 3.5L, 2008–2012 Ford Taurus 3.5L, 2008–2009 Taurus X 3.5L\u003c\/li\u003e\n  \u003cli\u003eLincoln: 2009–2015 MKS 3.7L, 2010–2012 MKT 3.7L, 2007–2012 MKZ and 2007–2010 MKX 3.5L\u003c\/li\u003e\n  \u003cli\u003eMazda: 2009–2010\/2012–2013 Mazda 6 3.7L and 2008–2014 Mazda CX-9 3.7L; Mercury Sable 2009 (3.5L)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these MAS ignition coils and Motorcraft plugs compare to OEM parts?\u003c\/h3\u003e\n\n\u003cp\u003eMAS coils are manufactured to match the mounting, connector type and electrical characteristics of original coils replaced under specified OEM numbers. The included Motorcraft SP411 platinum plugs provide a comparable heat range and electrode durability expected for the same applications. Together the components act as a drop-in service pack to renew ignition system reliability without modifying wiring or engine controls.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCross-references: DG520, UF553, C1595 and related OEM numbers\u003c\/li\u003e\n  \u003cli\u003eTwo-pin coil connectors compatible with factory harnesses\u003c\/li\u003e\n  \u003cli\u003eMotorcraft SP411 plugs are platinum-tipped for consistent spark performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before installing this ignition kit?\u003c\/h3\u003e\n\n\u003cp\u003eConfirm engine displacement and whether the engine is naturally aspirated; this kit is strictly for non-turbo 3.5L and 3.7L V6 engines. Also inspect connector pin count, coil mounting points and spark plug gap recommendations to ensure a correct fit and optimal ignition timing. If unsure, compare the OEM part numbers or consult your vehicle’s repair manual.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify engine: naturally aspirated 3.5L or 3.7L V6 only\u003c\/li\u003e\n  \u003cli\u003eCheck coil connector: two-pin style required\u003c\/li\u003e\n  \u003cli\u003eConfirm OEM cross-reference numbers match your existing parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what warranty coverage is included?\u003c\/h3\u003e\n\n\u003cp\u003eThe package contains six MAS ignition coil packs matched to engines listed for compatibility plus six Motorcraft SP411 platinum spark plugs — exactly six of each for a full-bank service. MAS includes a one-year limited warranty against manufacturing defects; keep your purchase documentation for any warranty claim or return process.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eContents: 6 MAS coil packs and 6 Motorcraft SP411 spark plugs\u003c\/li\u003e\n  \u003cli\u003eOne-year limited warranty from MAS\u003c\/li\u003e\n  \u003cli\u003eDesigned as a full replacement set to simplify installation and parts matching\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MAS 6-coil and 6-plug replacement set is ideal for DIY enthusiasts, independent repair shops and fleet managers who need a full-bank ignition refresh for specified naturally aspirated Ford, Lincoln, Mazda and Mercury V6 models. It suits anyone replacing multiple coils or spark plugs at once and wants parts that match common OEM dimensions and connector types without reprogramming engine controls.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this ignition kit compatible with turbocharged engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This MAS kit is only compatible with naturally aspirated 3.5L and 3.7L V6 engines, not turbocharged models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the set include everything needed for a full six-cylinder replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package contains six MAS ignition coils and six Motorcraft SP411 spark plugs for a complete six-cylinder bank service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55170969010519,"sku":"B0BGL3VD6N","price":183.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-front-packaging-coils-plugs_0e80bd34-f8cc-4017-a5b6-c4b9166719c9.jpg?v=1790435852"},{"product_id":"mas-hei-ignition-distributor-kit-for-ford-351c-351m-400-429-460-blue-hei-kit-with-65-000v-coil-performance-wires","title":"MAS HEI Ignition Distributor Kit for Ford 351C\/351M\/400\/429\/460 — Blue HEI Kit with 65,000V Coil \u0026 Performance Wires","description":"\u003cstrong\u003eMAS Performance HEI distributor kit is a complete ignition upgrade that combines a high-voltage 65,000V coil distributor with cap, rotor and a full set of performance spark plug wires to restore reliable spark for Ford 351C\/351M\/400\/429\/460 HEI engines.\u003c\/strong\u003e\n\n\u003cp\u003eIf your classic Ford V8 with HEI ignition is running rough, misfiring, or simply needs a durable replacement, this MAS kit provides the main ignition components in one package. The assembly is built for higher spark energy (coil rated up to 65,000V) and includes a matched cap, rotor and heavy-duty spark plug wires plus a free pigtail. Gears are heat-treated 20CR steel for longevity, and the kit fits several popular Ford big-block and 351-series HEI applications.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this kit affect starting and throttle response?\u003c\/h3\u003e\n\u003cp\u003eUpgrading to a fresh MAS HEI distributor and performance wires sharpens spark consistency, reducing misfires and improving throttle response, especially on engines that suffered weak ignition. The higher coil energy helps maintain reliable combustion at both idle and higher RPMs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-voltage coil rated up to 65,000V for stronger spark.\u003c\/li\u003e\n  \u003cli\u003eComplete cap and rotor matched to distributor for proper timing delivery.\u003c\/li\u003e\n  \u003cli\u003ePerformance spark plug wires reduce resistance and energy loss.\u003c\/li\u003e\n  \u003cli\u003eImproved ignition stability across RPM range up to 7,500 RPM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and OEM references does this fit?\u003c\/h3\u003e\n\u003cp\u003eThis MAS kit is made to fit Ford HEI V8 engines including 351C, 351M, 400, 429 and 460 that use the HEI distributor form factor. It’s also manufactured to be compatible with common OEM and aftermarket part numbers for straightforward replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit for Ford 351C, 351M, 400, 429, 460 HEI engines.\u003c\/li\u003e\n  \u003cli\u003eCross-references: PE332U, JM6506BL, 351CBLHEI0, KA-1046013.\u003c\/li\u003e\n  \u003cli\u003eIncludes free pigtail to adapt to existing wiring harnesses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat construction and reliability features should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe MAS distributor uses hardened 20CR steel gears to resist wear and maintain timing accuracy under load. The kit components—cap, rotor, coil and wires—are supplied as a matched set to reduce installation guesswork and lower the chance of compatibility issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e20CR steel gearset: heat-treated for durability and wear resistance.\u003c\/li\u003e\n  \u003cli\u003eOne-year limited warranty for basic coverage and peace of mind.\u003c\/li\u003e\n  \u003cli\u003eBundled kit reduces parts mismatch and simplifies installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what’s included in the package?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows the same steps as replacing a stock HEI distributor and spark plug wires; basic hand tools and timing verification are all that’s required. MAS ships the complete distributor assembly, cap and rotor, a set of performance spark plug wires, and a free pigtail to connect to factory wiring.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete HEI distributor with cap and rotor ready to install.\u003c\/li\u003e\n  \u003cli\u003ePerformance spark plug wire set sized for correct routing.\u003c\/li\u003e\n  \u003cli\u003eFree pigtail included for electrical connection convenience.\u003c\/li\u003e\n  \u003cli\u003eSimple swap-in for vehicles listed—no core exchange needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MAS Performance HEI Ignition Kit is intended for owners and mechanics restoring or maintaining Ford big-block and 351-series engines that use HEI distributors. It’s a practical choice for street cars, hot rods, and light-duty performance builds that need a matched, higher-energy ignition package without complex modifications. If you want a single-purchase replacement that addresses worn distributor parts, old wiring, and weak coil output, this kit delivers the main components to get your HEI ignition operating reliably again.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this fit my Ford 351C or 351M engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The MAS HEI kit is designed to fit Ford 351C and 351M HEI applications as well as 400, 429, and 460 HEI engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the coil included and what voltage does it produce?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the coil is included. It’s a high-energy coil rated up to 65,000 volts to improve spark energy.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55171052372311,"sku":"B08XYKF5V3","price":127.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-hei-kit-front-assembly.jpg?v=1790437254"},{"product_id":"mas-efi-tbi-distributor-for-gm-v8-1987-1997-hei652r-red-cap-5-0l-5-7l-7-4l-direct-fit-with-heat-treated-gear","title":"MAS EFI\/TBI Distributor for GM V8 1987-1997 — HEI652R Red Cap, 5.0L\/5.7L\/7.4L Direct-Fit with Heat-Treated Gear","description":"\u003cstrong\u003eMAS EFI TBI Distributor HEI652R is a direct-fit replacement distributor engineered to restore ignition timing and reliability for 1987–1997 small- and big-block Chevy and GMC V8 engines.\u003c\/strong\u003e\n\n\u003cp\u003eThis MAS distributor is built for fuel-injected (EFI\/TBI) Chevrolet and GMC V8s produced between 1987 and 1997, including common platforms such as C\/K trucks, Blazer, Camaro, Caprice and select Cadillac models. It matches OEM fit and function while incorporating upgraded materials — like heat-treated 20CR steel gear and chromoly internal components — to resist wear and extend service life. The unit comes with a red cap and is sold with a one-year replacement warranty.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will this distributor fit?\u003c\/h3\u003e\n\u003cp\u003eThis MAS distributor is intended for late-1980s to mid-1990s GM V8s. It covers common displacements and chassis where the factory used HEI-style distributors for EFI\/TBI ignition systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngine sizes: 5.0L (305), 5.7L (350) and 7.4L (454)\u003c\/li\u003e\n  \u003cli\u003eModel years: primarily 1987–1997 applications\u003c\/li\u003e\n  \u003cli\u003eCompatible vehicles: Chevy C\/K pickup trucks, Blazer, Camaro, Caprice, El Camino, GMC vans and certain Cadillac models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this part compare to original equipment?\u003c\/h3\u003e\n\u003cp\u003eMAS engineered this replacement to meet OEM geometry and electrical characteristics while improving durability where it counts. The distributor installs like a stock unit and maintains original timing relationships, but uses tougher gear and upgraded internals for longer life under real-world conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit design for straightforward installation without modification\u003c\/li\u003e\n  \u003cli\u003eHeat-treated 20CR steel gear for increased wear resistance\u003c\/li\u003e\n  \u003cli\u003eChromoly-steel internal gear and heavy-duty components for strength\u003c\/li\u003e\n  \u003cli\u003eManufactured to meet OEM specifications and tested for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and compatibility notes should I know?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard distributor removal and replacement procedures for HEI-style units. Confirm the OEM reference numbers and engine configuration before installing to avoid mismatches. You may need to set initial timing after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck OEM cross-reference numbers (e.g., 110-3952 and common aftermarket equivalents)\u003c\/li\u003e\n  \u003cli\u003eIndex and time the distributor per factory service manual after fitment\u003c\/li\u003e\n  \u003cli\u003eWorks with EFI\/TBI ignition systems used in the listed GM engines\u003c\/li\u003e\n  \u003cli\u003eOne-year warranty covers replacement; retain purchase proof for claims\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability features improve longevity?\u003c\/h3\u003e\n\u003cp\u003eMAS focuses on mechanical robustness to reduce wear and failure modes common to older distributors. Hard-wearing materials for the gear train and reinforced internal parts help withstand engine loads and oil exposure over extended service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpecially treated 20CR steel gear resists abrasion and edge wear\u003c\/li\u003e\n  \u003cli\u003eChromoly-steel internal gear for increased tensile strength\u003c\/li\u003e\n  \u003cli\u003ePrecise manufacturing tolerances to maintain consistent timing\u003c\/li\u003e\n  \u003cli\u003eRed cap retains OEM appearance and connection compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, restorers and owners of late-1980s to mid-1990s GM V8 vehicles who need a reliable, direct-replacement distributor for EFI\/TBI systems. It's appropriate for routine maintenance, restoration projects and roadside repairs where OEM fit, ignition timing accuracy and improved component durability are priorities. If you require an exact cross-reference to your original part number, confirm compatibility with the listed OEM references before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this distributor fit a 1990 Chevy 350 TBI engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it fits 5.7L (350) EFI\/TBI Chevy engines from that era, but verify your OEM reference number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty does MAS provide for this distributor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MAS includes a one-year replacement-only warranty; keep your receipt for any claim.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55171457188183,"sku":"B074MLL7GK","price":79.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-distributor-front-view_adbe691f-d781-4bb6-b268-155e3e837ac4.jpg?v=1790446116"},{"product_id":"mas-ignition-coil-pack-set-for-4-2l-l6-engines-set-of-6-direct-oem-fit-and-high-heat-durability","title":"MAS Ignition Coil Pack Set for 4.2L L6 Engines — Set of 6, Direct OEM Fit and High‑Heat Durability","description":"\u003cp\u003e\u003cstrong\u003eMAS set of six ignition coil packs replaces all six coils on compatible 4.2L inline‑6 engines to restore consistent spark and reliable engine operation.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese MAS ignition coils are engineered to match or improve on original equipment performance for late‑model GM and related 4.2L L6 applications. The kit contains six complete coil packs sized and shaped to fit directly into factory headers and wiring connectors, making replacement straightforward for owners and technicians. Materials and internal insulation are chosen to resist heat, corrosion, and electrical wear for longer service life compared with economy units.\u003c\/p\u003e\n\n\u003ch3\u003eWill these coils fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThey are designed specifically for a range of 4.2L inline‑6 GM and related vehicles from the early‑2000s. Confirm fitment by comparing your OEM part number to the compatible part numbers supplied by MAS or by checking the listed vehicle models.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacements for UF‑303, C1395 and other listed OEM numbers\u003c\/li\u003e\n  \u003cli\u003eFits 2002–2005 Chevrolet Trailblazer (including EXT) 4.2L L6\u003c\/li\u003e\n  \u003cli\u003eFits 2002–2005 GMC Envoy\/Envoy XL and 2004–2005 Buick Rainier 4.2L\u003c\/li\u003e\n  \u003cli\u003eAlso for 2003–2008 Isuzu Ascender, 2002–2003 Oldsmobile Bravada, 2005 Saab 9‑7x\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these coils improve engine behavior?\u003c\/h3\u003e\n\u003cp\u003eBy restoring stable secondary voltage and a strong, consistent spark, worn or failing coils can cause misfires, rough idle, and reduced fuel efficiency. Replacing all six coils at once ensures balanced ignition across cylinders and helps the engine run smoothly under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh electrical resistance and insulation reduce cross‑fire and leakage\u003c\/li\u003e\n  \u003cli\u003eConsistent spark energy supports complete combustion and steadier idle\u003c\/li\u003e\n  \u003cli\u003eOEM‑matched geometry ensures reliable connector and boot seating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build and durability features?\u003c\/h3\u003e\n\u003cp\u003eMAS coils use premium materials and manufacturing tolerances intended to withstand engine‑bay heat and vibration. Seals and corrosion‑resistant terminals help maintain electrical contact over time, while robust internal windings reduce electrical degradation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved corrosion and abrasion resistance on external surfaces\u003c\/li\u003e\n  \u003cli\u003eHigh‑grade insulation to withstand temperature and electrical stress\u003c\/li\u003e\n  \u003cli\u003eQuality control to match or exceed OE fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this set easy to install for a DIYer?\u003c\/h3\u003e\n\u003cp\u003eYes—each coil is built to plug directly into the factory harness and seat onto the spark plug without modification. Basic hand tools, a safe lift or jack stands, and a torque wrench are typically all that’s needed for a standard replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete set of six for one‑time replacement of every coil\u003c\/li\u003e\n  \u003cli\u003eOE‑style electrical connectors eliminate splicing or rewiring\u003c\/li\u003e\n  \u003cli\u003eFits the factory mounting locations for direct swap installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Vehicle owners, independent mechanics, and fleet technicians who service early‑2000s GM‑platform 4.2L L6 vehicles and need a full, reliable replacement set of ignition coils. Choose this MAS set when you want a direct, full‑set swap that restores consistent spark across all cylinders and avoids repeated individual coil replacements.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these MAS coils a direct replacement for UF-303?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. These MAS coils are manufactured to replace UF‑303\/C1395 and match listed OEM numbers for direct fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I replace all six coils at once?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacing all six at once ensures balanced performance and avoids rolling failures from mixing old and new coils.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55171998122327,"sku":"B08143FS2W","price":107.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-front-view-packaging-ignition-coils.jpg?v=1790450036"},{"product_id":"mas-ignition-coil-and-spark-plug-kit-for-ford-4-6l-5-4l-v8-8-dg521-coils-with-brown-boots-motorcraft-sp-509-plugs","title":"MAS Ignition Coil and Spark Plug Kit for Ford 4.6L\/5.4L V8 — 8 DG521 Coils with Brown Boots + Motorcraft SP-509 Plugs","description":"\u003cp\u003e\u003cstrong\u003eMAS complete ignition kit: eight DG521 coils with brown boots plus Motorcraft SP-509 spark plugs for Ford 4.6L and 5.4L V8 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Ford truck or SUV is showing misfires, rough idle, or diminished throttle response, replacing the entire ignition coil and plug set can restore consistent spark delivery across all eight cylinders. This MAS kit bundles eight coil-on-plug units with brown DG521 boots together with Motorcraft SP-509 spark plugs so you can do a full ignition service in one go. The parts are designed to fit many Ford vehicles that use the 4.6L or 5.4L V8 engines and include common OE cross-reference numbers for easier verification.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I confirm these coils match my vehicle?\u003c\/h3\u003e\n\u003cp\u003eStart by checking the color of your existing coil boots: this kit is for the brown-boot DG521 style. VIN lookup, owner’s manual parts lists, or comparing part numbers on the old coils (C1659, DG521, SP509 cross-references) will verify fitment. If your original coils have black boots, this kit will not be correct.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm coil boot color — brown required for this kit\u003c\/li\u003e\n  \u003cli\u003eCompare OEM part numbers: C1659, DG521, FD-509, SP509\u003c\/li\u003e\n  \u003cli\u003eTypical fitment: 2008–2014 Ford models using 4.6L or 5.4L V8 engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat vehicles and engines are compatible with this MAS set?\u003c\/h3\u003e\n\u003cp\u003eThe kit is engineered for Ford 4.6L and 5.4L V8 applications found in popular trucks and SUVs. It covers model years and vehicles commonly listed by owners and parts suppliers, but always verify fit before ordering. This ensures the ignition geometry and plug reach match your engine’s specifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFord Expedition (2009–2014)\u003c\/li\u003e\n  \u003cli\u003eFord F-150, F-250, F-350, F-450, F-550 (2008–2010 ranges as listed)\u003c\/li\u003e\n  \u003cli\u003eLincoln Navigator, Lincoln Mark LT, Ford Explorer, Mercury Mountaineer, Mustang (specified years)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the performance and durability features of the coils and plugs?\u003c\/h3\u003e\n\u003cp\u003eMAS coils use heat-resistant compounds in the coil-on-plug boot to better withstand under-hood temperatures and repeated thermal cycles. The coils are built as direct replacements with high-energy output characteristics to match OE ignition timing and spark demand. Motorcraft SP-509 plugs are included to provide the correct electrode design and reach for these engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-heat-resistant boot compound for extended durability\u003c\/li\u003e\n  \u003cli\u003eHigh-energy coil design for consistent spark delivery\u003c\/li\u003e\n  \u003cli\u003eIncludes Motorcraft SP-509 plugs for proper gap and fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what does the kit include?\u003c\/h3\u003e\n\u003cp\u003eThis set is intended as a direct-fit replacement so that most mechanically competent DIYers or technicians can swap out coils and plugs without modifications. The package contains all eight coils with brown DG521 boots and eight Motorcraft SP-509 spark plugs, giving you a complete ignition refresh in one purchase. Basic hand tools and a torque wrench are recommended for correct plug installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete set: 8 coils + 8 Motorcraft SP-509 spark plugs\u003c\/li\u003e\n  \u003cli\u003eDirect replacement fit for compatible models, no modifications\u003c\/li\u003e\n  \u003cli\u003eOne-year limited coverage for parts assurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this kit is for: drivers and independent mechanics who need a full ignition system refresh on Ford 4.6L or 5.4L V8 engines and who confirm their vehicle uses the brown-boot DG521 coil style. It’s especially useful when multiple cylinders are affected or when you prefer replacing all coils and plugs at once to avoid repeated labor. If your vehicle uses black-boot coils, choose the appropriate alternative part instead.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit fit my Ford 5.4L V8?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes if your vehicle uses the brown-boot DG521 coils and matches the listed model years; verify by checking OEM part numbers or boot color.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are spark plugs included with the coils?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes eight Motorcraft SP-509 spark plugs matched to the coils for a complete ignition service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55172663247191,"sku":"B07BX7L9SF","price":212.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-front-packaging-coils-plugs_b403393e-0a88-416b-b5e4-21f9bb8e3a58.jpg?v=1790454201"},{"product_id":"mas-ignition-coil-pack-and-iridium-spark-plug-kit-set-of-8-for-4-6l-5-4l-v8-direct-fit-12-month-coverage","title":"MAS Ignition Coil Pack and Iridium Spark Plug Kit — Set of 8 for 4.6L\/5.4L V8, Direct-Fit, 12-Month Coverage","description":"\u003cp\u003e\u003cstrong\u003eMAS set pairs eight direct-fit ignition coils with high-performance iridium spark plugs engineered to replace worn units on select 4.6L and 5.4L Ford-family V8 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis replacement kit combines eight matched ignition coils and MAS iridium spark plugs in one package to restore reliable ignition across the V8 cylinder bank. Designed as direct-fit replacements for a wide range of Ford, Mercury and Lincoln models, the kit lists equivalent OE and aftermarket part numbers to help you match the correct components. A 12-month coverage period provides added assurance after installation.\u003c\/p\u003e\n\n\u003ch3\u003eWill this kit fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThe MAS kit is intended for specific 4.6L and some 5.4L naturally aspirated Ford-family engines; always confirm fitment before ordering to avoid mismatches. Fitment spans many Crown Victoria, F-150, Mustang, Explorer, Expedition, E-Series, Grand Marquis, Town Car, Navigator and Mountaineer model years noted below.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck the model year and engine displacement against the provided vehicle fitment list.\u003c\/li\u003e\n  \u003cli\u003eCompare your existing part numbers with listed replacements (for example SP493, DG508 and equivalents).\u003c\/li\u003e\n  \u003cli\u003eFitment verification prevents ordering the wrong coil or plug type for similarly numbered engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these coils and iridium plugs improve engine operation?\u003c\/h3\u003e\n\u003cp\u003eReplacing failing coils and worn plugs can restore misfiring behavior and stabilize ignition timing, improving drivability and throttle response. The kit supplies matched coils and iridium electrodes designed to deliver consistent spark energy across cylinders.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatched coil pack for uniform spark delivery across all eight cylinders.\u003c\/li\u003e\n  \u003cli\u003eIridium spark plugs offer a durable electrode for reliable ignition over long intervals.\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design simplifies installation without modification in compatible vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat parts and coverage come with the purchase?\u003c\/h3\u003e\n\u003cp\u003eThe box contains eight MAS ignition coils and MAS iridium spark plugs—sufficient for a full-bank replacement on V8 engines listed. The product also carries a 12-month coverage to address defects after purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContents: 8 ignition coils + iridium spark plugs (complete bank replacement).\u003c\/li\u003e\n  \u003cli\u003eReplacement references: includes common OE\/matching numbers for cross-checking.\u003c\/li\u003e\n  \u003cli\u003e12-month coverage included; follow seller instructions for claims.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install these parts myself and what should I watch for?\u003c\/h3\u003e\n\u003cp\u003eExperienced DIYers with basic automotive tools can fit the coils and plugs, but take care to follow proper torque specs and anti-seize\/boot seating practices. If uncertain, have a qualified mechanic perform the swap to avoid engine damage or poor performance from incorrect installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow vehicle service manual for plug gap, torque, and coil mounting sequence.\u003c\/li\u003e\n  \u003cli\u003eReplace one coil\/plugs at a time to keep track of wiring and cylinder order.\u003c\/li\u003e\n  \u003cli\u003eVerify compatibility using the provided fitment list before starting work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This MAS full-bank ignition kit suits owners and technicians who need a coordinated set of replacement ignition coils and quality iridium spark plugs for select 4.6L and 5.4L Ford-family V8 engines. It's ideal for restoring consistent ignition, resolving misfires, and completing a preventive maintenance overhaul on compatible Crown Victoria, F-150, Mustang, Explorer, Expedition, E-Series, Grand Marquis, Town Car, Navigator and Mountaineer models—provided fitment is verified prior to purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include all parts for a full-bank replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it includes eight ignition coils plus MAS iridium spark plugs to replace a full V8 bank.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is fitment guaranteed for my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fitment is not guaranteed—verify your model year and engine against the provided compatibility list before buying.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55172664820055,"sku":"B0DWJRGHQN","price":109.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-front-packaging_5462cf6a-0b9e-4399-a052-378f971a3471.jpg?v=1790454264"},{"product_id":"mas-ignition-coil-and-spark-plug-kit-for-ford-4-6l-v8-dg508-coils-sp493-plugs-oe-fit-durable-heat-resistant","title":"MAS Ignition Coil and Spark Plug Kit for Ford 4.6L V8 — DG508 Coils \u0026 SP493 Plugs, OE-fit Durable Heat-Resistant","description":"\u003cp\u003e\u003cstrong\u003eMAS ignition coils DG508 paired with Motorcraft SP493 spark plugs form a drop-in replacement kit engineered for Ford, Lincoln, and Mercury 4.6L engines to restore reliable spark and consistent firing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit combines MAS-branded ignition coils (DG508 fitment) and Motorcraft SP493 spark plugs to provide a complete ignition service solution for many Ford 4.6L V8 engines. Each ignition coil is manufactured to meet or exceed OE standards and is heat-resistant to handle the high temperatures near the engine. The included SP493 spark plugs are the original equipment reference for many Ford applications, making this an easy one-stop update when you need to replace coils and plugs together.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these MAS coils and Motorcraft SP493 plugs improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eUpgrading worn coils and plugs restores consistent spark timing and energy, which helps smooth idle, improve throttle response, and reduce misfires. The components are designed to match OE electrical and dimensional specs so installation is straightforward.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCoils built to OE-equivalent specifications for reliable output.\u003c\/li\u003e\n  \u003cli\u003eHigh-heat resistant boot compound to resist thermal stress and cracking.\u003c\/li\u003e\n  \u003cli\u003eMotorcraft SP493 plugs provide proper gap and electrode design for Ford 4.6L engines.\u003c\/li\u003e\n  \u003cli\u003eDirect-fit replacement reduces risk of compatibility issues when fitment is confirmed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit fit my Ford, Lincoln, or Mercury 4.6L vehicle?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on year, engine variant, and factory part number. Use the vehicle year\/make\/model selector and cross-reference the listed interchange numbers before purchasing to ensure an exact match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes cross-reference list for common dealer and aftermarket part numbers (e.g., DG508, SP493).\u003c\/li\u003e\n  \u003cli\u003eCheck the product fitment tool on the listing for specific model years and VIN-based accuracy.\u003c\/li\u003e\n  \u003cli\u003eContact support if your vehicle uses similar-looking coils or plugs to avoid incorrect selection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation for a DIYer or technician?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically straightforward for anyone with basic mechanical skills and common hand tools. Coils are designed as direct replacements that mount into the same locations, and plug replacement follows standard spark-plug service procedures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove electrical connector and mounting bolt to swap coils one at a time.\u003c\/li\u003e\n  \u003cli\u003eUse a torque wrench to seat spark plugs to correct specification and prevent over-tightening.\u003c\/li\u003e\n  \u003cli\u003eReplace boots and seals if they show wear to maintain ignition integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and quality controls come with this ignition kit?\u003c\/h3\u003e\n\u003cp\u003eMAS offers a one-year limited warranty on these performance ignition coils paired with Motorcraft SP493 spark plugs. The coils undergo quality-control testing to meet OE-level performance and reliability expectations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-year limited warranty backed by MAS for manufacturing defects.\u003c\/li\u003e\n  \u003cli\u003eCoils tested for electrical output and thermal durability before shipping.\u003c\/li\u003e\n  \u003cli\u003eReplacement part numbers and fitment info included to reduce wrong-item returns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This MAS + Motorcraft kit is aimed at vehicle owners and mechanics who need a reliable, direct-replacement ignition service solution for Ford, Lincoln, and Mercury models equipped with the 4.6L engine. It’s suitable for routine maintenance, troubleshooting persistent misfires, or when upgrading aging ignition components to restore factory-like performance. Always confirm fitment with the year\/make\/model selector and the listed interchange numbers before ordering to ensure proper compatibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these coils and plugs fit all 4.6L Ford engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit many 4.6L Ford, Lincoln, and Mercury engines, but confirm compatibility with the year\/make\/model selector and interchange list before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is special tooling required to install these parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are required beyond common hand tools and a torque wrench to correctly seat the spark plugs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAS","offers":[{"title":"Default Title","offer_id":55172664885591,"sku":"B07J9P9SVP","price":144.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mas-dg508-front-packaging.jpg?v=1790454263"}],"url":"https:\/\/britishgarage.co.uk\/collections\/mas.oembed?page=2","provider":"British Garage","version":"1.0","type":"link"}