{"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","url":"https:\/\/britishgarage.co.uk\/products\/mas-performance-hei-distributor-for-chevy-v8s-red-cap-with-wiring-kit-65k-coil-compatibility","provider":"British Garage","version":"1.0","type":"link"}