{"title":"ARP","description":"\u003cp\u003eBrowse 24 ARP products at British Garage, including engine parts, transmission \u0026amp; drivetrain and exhaust \u0026amp; emissions 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":"arp-torque-converter-bolt-kit-for-gm-part-2307304-hardened-bolts-for-correct-fit","title":"ARP Torque Converter Bolt Kit for GM — Part 2307304, Hardened Bolts for Correct Fit","description":"\u003cp\u003e\u003cstrong\u003eARP 2307304 is a precision torque converter bolt kit engineered to securely fasten GM torque converters with OEM-style fit and hardened fasteners.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis bolt kit contains vehicle-specific hardware designed for General Motors applications where reliable crank-to-torque-converter fastening is essential. ARP is known for high-strength fasteners used in performance and repair settings; this kit provides the correct part number (2307304) and a compact package ideal for installers, engine builders, and automotive technicians. The kit's light weight and specific fit type mean it ships and stores easily while matching the mounting requirements of compatible GM transmissions.\u003c\/p\u003e\n\n\u003ch3\u003eWhat exactly is included in the ARP 2307304 kit and why does that matter?\u003c\/h3\u003e\n\n\u003cp\u003eThe ARP 2307304 is a torque converter bolt kit assembled for direct compatibility with specified GM models. Each kit contains hardened bolts that replace worn or lost hardware to maintain proper alignment and clamping between the torque converter and flexplate. Using the right kit ensures correct thread engagement and consistent preload.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePart number: 2307304 for easy identification and ordering\u003c\/li\u003e\n  \u003cli\u003eVehicle-specific fit: designed to match GM transmission mounting patterns\u003c\/li\u003e\n  \u003cli\u003eHardened fasteners: built to withstand repeated torque cycles\u003c\/li\u003e\n  \u003cli\u003eCompact package weight (0.045 kg) for simplified storage and shipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this bolt kit help during torque converter installation or service?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit supplies the proper bolts so installers can achieve correct clamp force and alignment during reassembly. Proper fasteners reduce the risk of loosening or thread damage over time, improving reliability after service. It also saves time by providing the correct, vehicle-specific hardware instead of searching for compatible bolts.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eEnsures correct bolt length and thread engagement for GM torque converters\u003c\/li\u003e\n  \u003cli\u003eReduces installation time with ready-to-use hardware\u003c\/li\u003e\n  \u003cli\u003ePrevents mismatch and potential drivetrain imbalance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these ARP bolts suitable for high-performance or heavy-duty use?\u003c\/h3\u003e\n\n\u003cp\u003eWhile this kit is built to ARP standards and offers improved strength over generic hardware, suitability depends on specific application demands. For everyday repairs and most performance upgrades on compatible GM models, this kit provides robust fastening. For extreme racing or custom high-horsepower applications, consult ARP specifications or consider application-tailored hardware.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigher-strength construction than typical OE replacement bolts\u003c\/li\u003e\n  \u003cli\u003eAppropriate for most performance and repair scenarios on GM vehicles\u003c\/li\u003e\n  \u003cli\u003eRefer to ARP or transmission builder guidance for extreme-duty builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm fitment for my GM vehicle?\u003c\/h3\u003e\n\n\u003cp\u003eVerify the part number 2307304 against your vehicle or transmission service manual and cross-reference bolt pattern and thread specifications. If in doubt, check with the vehicle manufacturer, transmission shop, or ARP dealer to confirm this kit matches your torque converter mounting requirements. Using the exact vehicle-specific kit prevents installation issues and protects the transmission interface.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompare part number 2307304 to OEM service documentation\u003c\/li\u003e\n  \u003cli\u003eConfirm thread size and bolt length match your flexplate\/TC holes\u003c\/li\u003e\n  \u003cli\u003eAsk a transmission specialist if fitment questions remain\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The ARP 2307304 Torque Converter Bolt Kit is intended for mechanics, home enthusiasts, and engine builders working on compatible GM vehicles who need reliable, vehicle-specific fasteners. It's useful when rebuilding transmissions, replacing torque converters, or restoring a vehicle to spec after driveline work. Buyers who prioritize correct fit, hardened hardware, and straightforward installation will find this compact kit practical for repair and moderate-performance projects.\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 ARP 2307304 compatible with all GM transmissions?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. It is vehicle-specific—confirm part number 2307304 against your vehicle or transmission manual for fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I reuse old torque converter bolts instead of this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Reusing old bolts risks fatigue or damaged threads; replacing with this kit ensures proper strength and engagement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55161123045719,"sku":"B001ASMEDW","price":31.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-torque-converter-bolt-kit-packaging.jpg?v=1790322495"},{"product_id":"arp-3-8-16-stainless-steel-12-point-bolts-pack-of-5-170-000-psi-1-250-length","title":"ARP 3\/8-16 Stainless Steel 12-Point Bolts, Pack of 5 — 170,000 PSI, 1.250\" Length","description":"\u003cp\u003e\u003cstrong\u003eARP 6131250 stainless 3\/8-16 12-point bolts are premium, corrosion-resistant fasteners rated at 170,000 PSI and sold in a convenient five-bolt pack for automotive, marine, and trailer use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese ARP fasteners combine high tensile strength with a polished stainless finish to deliver both dependable performance and an attractive appearance. Designed for demanding assemblies where rust resistance and extra strength matter, the bolts use a compact 12-point head for tighter wrench access and measure 3\/8\" in diameter with a 16-thread pitch and 1.250\" under-head length.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these bolts improve durability compared with standard hardware?\u003c\/h3\u003e\n\n\u003cp\u003eARP stainless bolts are manufactured from a polished Stainless 300 proprietary alloy that resists corrosion better than typical carbon steel options. The 170,000 PSI nominal tensile rating gives a significant safety margin above Grade 8 fasteners, making them suitable for high-stress connections.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e170,000 PSI nominal tensile strength for added load capacity\u003c\/li\u003e\n  \u003cli\u003eStainless 300 alloy formulated to resist rust and pitting\u003c\/li\u003e\n  \u003cli\u003ePolished finish reduces surface corrosion and simplifies cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact dimensions and fit details I need to know?\u003c\/h3\u003e\n\n\u003cp\u003eEach bolt is 3\/8\" in diameter with a standard 16 threads-per-inch pitch, and an under-head length of 1.250\" so you can confirm compatibility with spacers, flanges, and tapped holes. The wrenching size is 3\/8\" to match compact 12-point sockets and allow close-quarter tightening.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDiameter: 3\/8\" (0.375\")\u003c\/li\u003e\n  \u003cli\u003eThread pitch: 16 TPI (UNC standard)\u003c\/li\u003e\n  \u003cli\u003eUnder-head length: 1.250\" for proper thread engagement\u003c\/li\u003e\n  \u003cli\u003eHead style: compact 12-point for tight socket clearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose the 12-point head style instead of a hex head?\u003c\/h3\u003e\n\n\u003cp\u003eThe 12-point head gives more indexed wrenching positions than a hex, letting you engage the tool in tighter spaces and at smaller rotation angles. This is especially useful on engine components, brackets, or assemblies where access is restricted and repeated small turns are needed.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMore engagement angles for confined work areas\u003c\/li\u003e\n  \u003cli\u003eWorks with thin-wall 12-point sockets for compact access\u003c\/li\u003e\n  \u003cli\u003ePolished head helps prevent galling and eases installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow are these bolts packaged and what should I expect in a set?\u003c\/h3\u003e\n\n\u003cp\u003eARP supplies these bolts on a small display card with five pieces per pack, providing an easy way to buy the right quantity for small projects or spares. The card protects the polished finish during shipping and storage so bolts arrive ready for installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePack size: five bolts per card\u003c\/li\u003e\n  \u003cli\u003eCard packaging protects polished surfaces\u003c\/li\u003e\n  \u003cli\u003eIdeal for repair jobs or as replacement hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These ARP 6131250 stainless 3\/8-16 12-point bolts suit mechanics, fabricators, marine owners, and enthusiasts who need reliable, rust-resistant fasteners with a higher safety margin than Grade 8 hardware. Choose them when appearance, corrosion resistance, and compact-head access are priorities for engine components, brackets, trailer fittings, or custom assemblies.\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 bolts fully corrosion resistant for marine use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the polished Stainless 300 alloy resists rust and pitting, making them suitable for marine environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these bolts work with standard 3\/8\" tools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the wrenching size is 3\/8\" and fits 12-point 3\/8\" sockets for tight access.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55163096072535,"sku":"B06XB9WJ2T","price":32.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-6131250-front-packaging.jpg?v=1790341325"},{"product_id":"arp-starter-bolt-kit-10mm-x-4-470in-stainless-steel-12-point-head-direct-fit","title":"ARP Starter Bolt Kit 10mm x 4.470in Stainless Steel — 12-Point Head, Direct-Fit","description":"\u003cp\u003e\u003cstrong\u003eARP 430-3511 is a high-quality stainless steel starter bolt kit—12-point 10mm bolts with 4.470\" underhead length—engineered to replace OEM fasteners with durable, corrosion-resistant hardware.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you're rebuilding, repairing, or upgrading an engine, the small details matter. ARP's 430-3511 starter bolt kit provides the exact stainless-steel fasteners used to secure starters and related components, offering a direct-fit replacement with race-proven materials. This kit is part of ARP's broad catalog of engine and driveline fasteners, designed to meet the demands of street cars, track builds, and professional motorsport applications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes these starter bolts different from standard hardware?\u003c\/h3\u003e\n\u003cp\u003eARP selects materials and manufacturing tolerances specifically for high-stress automotive applications. These starter bolts are stainless steel for superior corrosion resistance compared with typical plated steel bolts, and the 12-point head geometry helps with access in tight engine bays.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: stainless steel for rust resistance and longevity\u003c\/li\u003e\n  \u003cli\u003eHead type: 12-point design for compact tool access\u003c\/li\u003e\n  \u003cli\u003eSize specifics: 10mm thread with 4.470\" underhead length\u003c\/li\u003e\n  \u003cli\u003eMade in the United States to ARP quality standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know these bolts will fit my starter installation?\u003c\/h3\u003e\n\u003cp\u003eFitment is determined by thread size and underhead length; the ARP 430-3511 is specified as 10mm thread with 4.470\" underhead length to match many OEM starter mounting requirements. Always verify the bolt length and thread form against your starter flange and engine block measurements before ordering to ensure proper engagement and clearance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify 10mm thread pitch and diameter against existing bolts\u003c\/li\u003e\n  \u003cli\u003eMeasure needed underhead length—4.470\" provides deeper reach\u003c\/li\u003e\n  \u003cli\u003eCheck starter flange thickness and any spacers used in your setup\u003c\/li\u003e\n  \u003cli\u003eContact ARP or your parts supplier for vehicle-specific guidance if unsure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose stainless steel bolts for starter mounting?\u003c\/h3\u003e\n\u003cp\u003eStainless steel reduces the risk of surface corrosion in engine bays exposed to moisture, road salt, and temperature cycles. While stainless may have different strength characteristics than alloy steel, ARP designs these fasteners to balance corrosion resistance with reliable clamp and shear performance for starter applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrosion resistance extends service life and eases removal later\u003c\/li\u003e\n  \u003cli\u003eAppearance stays cleaner under the hood for longer\u003c\/li\u003e\n  \u003cli\u003eARP machining standards ensure consistent fit and finish\u003c\/li\u003e\n  \u003cli\u003eSuitable for street and many light-duty performance uses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install ARP starter bolts for best results?\u003c\/h3\u003e\n\u003cp\u003eProper installation starts with clean threads, correct torque, and any recommended thread lubricant or anti-seize. Follow your vehicle or ARP torque specifications—over-torquing can damage components, under-torquing risks loosening—so use a calibrated torque wrench and tighten in the recommended sequence.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClean mating threads on the block and starter flange\u003c\/li\u003e\n  \u003cli\u003eUse the torque spec provided by ARP or vehicle manufacturer\u003c\/li\u003e\n  \u003cli\u003eApply a suitable thread lubricant if specified—do not guess torque values\u003c\/li\u003e\n  \u003cli\u003eInspect after initial run-in and retorque if required by service bulletin\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The ARP 430-3511 starter bolt kit is intended for mechanics, restorers, and performance builders who need dependable, corrosion-resistant fasteners to secure starters and related components. It's a practical upgrade for enthusiasts replacing worn OEM hardware, for shops performing engine reinstallations, and for anyone who prefers purpose-built fasteners from a recognized manufacturer. Because these bolts are stainless and designed to ARP's tolerances, they suit street cars, project vehicles, and many light performance builds—but always confirm size and torque requirements for your specific application before installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003eHead: 12-point\u003c\/li\u003e\n  \u003cli\u003eThread size: 10mm\u003c\/li\u003e\n  \u003cli\u003eUnderhead length: 4.470 inches\u003c\/li\u003e\n  \u003cli\u003ePackage dimensions: 24.1 x 1.9 x 14.6 cm\u003c\/li\u003e\n  \u003cli\u003ePackage weight: 0.181 kg\u003c\/li\u003e\n  \u003cli\u003eCountry of origin: United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 bolts threaded fully or partially?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They have a standard 10mm thread appropriate for starter mounts; measure your application for exact engagement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these instead of OEM starter bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—if the 10mm thread and 4.470\" underhead length match your original bolts, they are a direct-fit stainless replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55163486437719,"sku":"B01KHLJK7K","price":31.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-starter-bolts-front-packaging.jpg?v=1790344867"},{"product_id":"arp-bellhousing-bolt-kit-for-gm-v6-v8-129-0901-vehicle-specific-high-strength-usa-made","title":"ARP Bellhousing Bolt Kit for GM V6\/V8 — 129-0901 (Vehicle-Specific), High-Strength USA Made","description":"\u003cp\u003e\u003cstrong\u003eARP 129-0901 is a vehicle-specific bellhousing bolt kit engineered to securely fasten GM V6 and V8 bellhousings with high-strength, corrosion-resistant hardware manufactured in the USA.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen swapping transmissions or rebuilding drivetrains on GM V6 and V8 engines, using the correct bellhousing bolts is essential for safety, alignment and long-term reliability. The ARP 129-0901 kit supplies the exact hardware intended for GM bellhousing applications, packaged to vehicle-specific fitment standards and produced to ARP's quality specifications in the United States.\u003c\/p\u003e\n\n\u003ch3\u003eWhat components are included in this ARP bellhousing bolt kit?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains the bolts and related fasteners needed to mount GM V6\/V8 bellhousings to the engine block. ARP designs each kit for complete fitment so you don't need to mix hardware from multiple sources.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrect count and lengths of bellhousing bolts for GM V6\/V8 applications\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined threads and heads for consistent torqueing\u003c\/li\u003e\n  \u003cli\u003ePackaging sized for compact storage: 14.8 × 1.8 × 9.8 cm\u003c\/li\u003e\n  \u003cli\u003eLightweight kit weight: approximately 0.202 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does ARP 129-0901 improve installation and serviceability?\u003c\/h3\u003e\n\u003cp\u003eUsing a vehicle-specific kit eliminates guesswork and reduces the chance of installing incorrect bolt lengths or grades. These bolts are manufactured to tight tolerances so torque readings are repeatable and the fasteners maintain clamp load under repeated service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact-fit hardware reduces installation time and rework\u003c\/li\u003e\n  \u003cli\u003eConsistent thread engagement prevents cross-threading and misalignment\u003c\/li\u003e\n  \u003cli\u003eAppropriate head style for common wrench and socket tools\u003c\/li\u003e\n  \u003cli\u003eClear packaging helps identify contents during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose ARP hardware for a GM bellhousing project?\u003c\/h3\u003e\n\u003cp\u003eARP is known for manufacturing high-strength fasteners tailored for automotive and performance applications. This kit delivers purpose-built components made in the USA, providing traceable quality and material control compared with generic or mismatched hardware.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured in the United States to ARP quality standards\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for GM V6 and V8 engine bellhousing interfaces\u003c\/li\u003e\n  \u003cli\u003eImproved reliability versus generic replacement bolts\u003c\/li\u003e\n  \u003cli\u003eSuitable for street, restoration and performance drivetrains\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this kit for transmission swaps or engine rebuilds?\u003c\/h3\u003e\n\u003cp\u003eYes — the ARP 129-0901 kit is intended for situations where the bellhousing-to-engine fasteners need replacement, including transmission swaps and engine teardown\/reassembly. Always verify vehicle-specific compatibility before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended for transmission swaps and routine rebuilds\u003c\/li\u003e\n  \u003cli\u003eCheck vehicle fitment to confirm bolt lengths and counts\u003c\/li\u003e\n  \u003cli\u003eWorks with standard GM V6 and V8 bellhousing interfaces\u003c\/li\u003e\n  \u003cli\u003eIdeal when original fasteners show wear, corrosion or damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? ARP 129-0901 is aimed at mechanics, restoration shops and do-it-yourself enthusiasts working on GM V6 or V8 engines who want a dedicated, high-quality bellhousing bolt set. If you value correct-fit hardware, predictable torque performance and American-made manufacturing for driveline assemblies, this kit delivers the fasteners needed to finish a bellhousing installation cleanly and confidently.\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 the ARP 129-0901 kit made in the USA?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ARP 129-0901 bellhousing bolt kit is manufactured in the United States.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit fit my GM V8 bellhousing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s vehicle-specific for GM V6\/V8 bellhousings—verify fitment compatibility with your engine and transmission before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55165704995159,"sku":"B00E5YSB9O","price":37.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-129-0901-front-packaging.jpg?v=1790357396"},{"product_id":"arp-torque-converter-bolt-kit-230-7301-high-strength-us-made-fasteners-corrosion-resistant","title":"ARP Torque Converter Bolt Kit 230-7301 — High-Strength US-Made Fasteners, Corrosion-Resistant","description":"\u003cp\u003e\u003cstrong\u003eARP 230-7301 Torque Converter Bolt Kit is a high-strength hardware set engineered to securely fasten your torque converter to the flexplate, built in the United States for durability and precise fit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis ARP bolt kit supplies purpose-made fasteners designed for the demanding loads and rotational stresses of automatic transmissions. The set ships in a compact package and is intended to replace worn, stretched, or undersized bolts that can compromise torque converter retention. Its construction and finish help resist corrosion and provide consistent clamping force when installed to the correct specifications.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this bolt kit improve torque converter security?\u003c\/h3\u003e\n\u003cp\u003eUpgrading to ARP hardware reduces the risk of bolt stretch and loosening under repeated torque cycles. The kit’s material strength and precise thread fit maintain consistent clamping force, which helps keep the torque converter centered and properly engaged with the flexplate.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh tensile strength fasteners resist deformation under load\u003c\/li\u003e\n  \u003cli\u003eAccurate thread tolerances reduce the chance of galling\u003c\/li\u003e\n  \u003cli\u003eConsistent clamping force protects the flexplate and converter hub\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical and packaging details I should know?\u003c\/h3\u003e\n\u003cp\u003eThe ARP kit is shipped in a compact, lightweight package suitable for storage or inclusion with transmission rebuild components. Dimensions and weight make it easy to verify inventory and estimate shipping for workshops and home mechanics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eItem package dimensions: 7.0\" L x 7.0\" W x 3.0\" H for compact storage\u003c\/li\u003e\n  \u003cli\u003ePackage weight: approximately 3.0 lbs for handling and shipping calculations\u003c\/li\u003e\n  \u003cli\u003eManufactured and packaged in the United States for traceability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should these bolts be installed and maintained?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires following the vehicle or component manufacturer's torque sequence and specified torque values. Using proper threadlocker where recommended and rechecking torque after initial run-in will help ensure long-term retention and performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow vehicle-specific torque specs and tightening sequence\u003c\/li\u003e\n  \u003cli\u003eInspect threads and mating surfaces for cleanliness before assembly\u003c\/li\u003e\n  \u003cli\u003eConsider recommended thread compound per service manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit fit my application and what does it replace?\u003c\/h3\u003e\n\u003cp\u003eThis ARP kit is intended as a direct replacement for factory torque converter bolts where the part number and bolt dimensions match. Confirm compatibility by comparing bolt size, thread pitch, and length to the original hardware or service documentation prior to installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned to replace worn or underperforming OEM converter bolts\u003c\/li\u003e\n  \u003cli\u003eCheck vehicle-specific fitment against ARP or OEM specifications\u003c\/li\u003e\n  \u003cli\u003eSuitable for performance and routine maintenance applications when matched correctly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ARP 230-7301 Torque Converter Bolt Kit is aimed at professional mechanics, engine builders, and performance-minded vehicle owners who want a reliable, higher-strength alternative to factory converter bolts. If you rebuild transmissions, upgrade an automatic driveline for increased power, or simply want dependable hardware that’s made in the USA, this kit provides the fasteners necessary to secure the torque converter properly. Always confirm fitment for your specific vehicle and follow manufacturer torque procedures during 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: Are these bolts made in the USA?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ARP 230-7301 kit is manufactured and packaged in the United States.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need threadlocker or a specific torque value?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use the vehicle manufacturer’s torque specs and recommended thread compound; follow the service manual for correct installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55165780984151,"sku":"B0785R5H88","price":38.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-torque-converter-bolts-closeup_jpg.jpg?v=1790357897"},{"product_id":"arp-pro-series-flexplate-bolt-kit-7-16-20-x-0-680-in-12-point-chromoly-bolts-black-oxide-set-of-6","title":"ARP Pro Series flexplate bolt kit 7\/16-20 x 0.680 in — 12-point chromoly bolts, black oxide, set of 6","description":"\u003cp\u003e\u003cstrong\u003eARP 200-2902 is a Pro Series flexplate bolt kit: six chromoly, 12-point, 7\/16-20 bolts 0.680\" long with a black oxide finish engineered for high-torque driveline connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis set of six bolts is built for securing flexplates to crankshaft or torque converter hubs where consistent clamping and fatigue resistance matter. Manufactured in the USA and finished in black oxide, these Pro Series fasteners combine high-strength chromoly steel with a 12-point head profile for superior tool access in tight spaces. The 0.680\" shank length and 7\/16-20 UNF thread size match many Chevrolet and replacement flexplate applications, while ARP’s precision manufacturing reduces variability and improves repeatable torque results.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes these bolts different from standard hardware?\u003c\/h3\u003e\n\u003cp\u003eUnlike generic bolts, ARP Pro Series components use premium chromoly alloy, heat treatment, and controlled thread geometry to raise tensile strength and endurance. The 12-point head allows socket engagement with less risk of rounding in cramped engine bays. Black oxide provides a thin, corrosion-resistant finish without affecting torque readings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChromoly material for higher tensile and yield strength\u003c\/li\u003e\n  \u003cli\u003e12-point head for improved tool access and reduced cam-out\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish for mild corrosion protection and reduced glare\u003c\/li\u003e\n  \u003cli\u003eManufactured and inspected in the USA to ARP tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know these will fit my application?\u003c\/h3\u003e\n\u003cp\u003eFit depends on three measurable parameters: thread pitch (7\/16-20), shank\/engagement length (0.680 inches), and head style (12-point). Check your original flexplate bolts or service manual for matching thread size and required grip length before ordering. If your setup calls for a different length or thread, ARP and other suppliers offer alternate part numbers and fitment guides.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThread: 7\/16-20 UNF — common on many domestic V8 flexplates\u003c\/li\u003e\n  \u003cli\u003eLength: 0.680\" — verifies correct engagement without bottoming out\u003c\/li\u003e\n  \u003cli\u003eHead style: 12-point — fits standard 12-point sockets\u003c\/li\u003e\n  \u003cli\u003eQuantity: kit includes six bolts for full flexplate installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat torque and installation practices should I use?\u003c\/h3\u003e\n\u003cp\u003eFollow ARP’s published torque or stretch guidelines for consistent clamping; hand-tightening alone is not sufficient. Use a calibrated torque wrench and thread lubricant or ARP-specified assembly product to achieve accurate clamping force. Recheck torque after initial run-in where applicable.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse specified torque values from ARP or your manual for 7\/16-20 chromoly bolts\u003c\/li\u003e\n  \u003cli\u003eApply recommended lubricant to threads to ensure consistent torque readings\u003c\/li\u003e\n  \u003cli\u003eUse proper 12-point socket to avoid rounding the head\u003c\/li\u003e\n  \u003cli\u003eInspect for correct engagement and no interference with pilot or hub surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose a Pro Series bolt instead of stock replacements?\u003c\/h3\u003e\n\u003cp\u003ePro Series hardware is designed for repeated load cycles and higher torque environments typical of performance, towing, or heavily modified engines. Where OEM bolts may be rated for standard service life, ARP’s attention to metallurgy and manufacturing control offers greater margin against fatigue and failure. This helps protect your flexplate, crank, and converter interface under demanding conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher fatigue resistance for long-term reliability under load\u003c\/li\u003e\n  \u003cli\u003eConsistent manufacturing tolerances for repeatable torque clamping\u003c\/li\u003e\n  \u003cli\u003eGood balance of strength and corrosion resistance with black oxide\u003c\/li\u003e\n  \u003cli\u003eMade in USA quality control and traceability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Enthusiasts, engine builders, and technicians fitting or replacing flexplate bolts on compatible domestic powertrains who want a robust, higher-spec fastener set. Ideal for performance builds, towing rigs, or any application where stronger, precisely made bolts reduce the risk of loosening or fatigue compared with generic hardware.\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 bolts compatible with Chevrolet flexplates?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Many Chevrolet flexplates use 7\/16-20 bolts; confirm required grip length (0.680\") and head style before fitting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these bolts come pre-treated for corrosion resistance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they have a black oxide finish that offers basic corrosion protection and reduced surface glare.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55166220009815,"sku":"B000CFQ4A8","price":36.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-flexplate-bolt-kit-front-packaging.jpg?v=1790365287"},{"product_id":"arp-3-8-hex-starter-bolt-kit-for-chevrolet-4-450-polished-stainless-steel-pair","title":"ARP 3\/8\" Hex Starter Bolt Kit for Chevrolet — 4.450\" Polished Stainless Steel Pair","description":"\u003cb\u003eARP 4303507 is a pair of 3\/8\" hex-head starter bolts, 4.450\" long, made from polished stainless steel for Chevrolet starter installations.\u003c\/b\u003e\n\n\u003cp\u003eThis genuine ARP (Automotive Racing Products) starter bolt kit includes two precision-made bolts designed to secure starters on compatible Chevrolet engines. Supplied as part number 4303507, the bolts are polished stainless steel with hex heads and come packaged for easy identification. The set is intended for mechanics, restorers, and DIY enthusiasts who need reliable fasteners that match GM starter mounting specifications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are the key specifications of the 4303507 starter bolts?\u003c\/h3\u003e\n\u003cp\u003eThese starter bolts are engineered to traditional ARP standards and list dimensions and materials clearly so you can confirm compatibility before ordering. The design focuses on a proper fit for Chevrolet starter flanges requiring 3\/8\" fasteners of this specific length.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBolt diameter: 3\/8\"\u003c\/li\u003e\n  \u003cli\u003eLength: 4.450 inches\u003c\/li\u003e\n  \u003cli\u003eHead type: hex\u003c\/li\u003e\n  \u003cli\u003eMaterial: polished stainless steel\u003c\/li\u003e\n  \u003cli\u003eQuantity: 2 bolts (pair)\u003c\/li\u003e\n  \u003cli\u003eManufacturer part number: 4303507\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these bolts perform during installation and service?\u003c\/h3\u003e\n\u003cp\u003eThe hex-head configuration provides straightforward engagement with common sockets and wrenches, helping to speed installation and ensure consistent torque. Polished stainless resists surface corrosion, preserving appearance and ease of removal over time in typical automotive environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHex head accepts standard 3\/8\" drive or appropriate socket\u003c\/li\u003e\n  \u003cli\u003eStainless finish reduces rust and seizing risk\u003c\/li\u003e\n  \u003cli\u003eLength ensures reach through starter flange and into mounting boss\u003c\/li\u003e\n  \u003cli\u003eSold as a matched pair for both mounting points\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these bolts fit my Chevrolet starter and what should I check?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on your starter model and engine block thread engagement depth; these bolts are intended for Chevrolet applications that require 3\/8\" diameter fasteners at 4.450\" length. Before purchasing, compare the ARP part number and the bolt dimensions to your existing hardware or factory service information.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify your starter uses 3\/8\" bolts\u003c\/li\u003e\n  \u003cli\u003eCompare 4.450\" length to existing bolts for correct reach\u003c\/li\u003e\n  \u003cli\u003eConfirm head style matches tool access in your engine bay\u003c\/li\u003e\n  \u003cli\u003eCheck manufacturer part number 4303507 for cross-reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat packaging and shipping details should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe bolts arrive new in ARP packaging and are lightweight for economical shipping. The product listing includes package dimensions in centimeters so you can estimate storage and shipping needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage weight: 0.35 pounds\u003c\/li\u003e\n  \u003cli\u003ePackage dimensions: 23.876 L x 2.032 H x 14.732 W cm\u003c\/li\u003e\n  \u003cli\u003eComes as a sealed pair to prevent loss in transit\u003c\/li\u003e\n  \u003cli\u003eMPN (manufacturer part number): 4303507 for tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This ARP starter bolt pair is aimed at automotive technicians, restoration hobbyists, and Chevrolet owners who require OEM-style fasteners with improved corrosion resistance and dependable fit. Choose this kit when you need a straightforward replacement or an upgrade from worn or corroded starter mounting bolts, and always verify measurements and part numbers against your vehicle’s specifications before 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: Are these ARP bolts compatible with all Chevrolet starters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit Chevrolet starters that use 3\/8\" diameter bolts with 4.450\" length—verify your starter's bolt size and length first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What material are the bolts made from?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The bolts are polished stainless steel, offering surface corrosion resistance and easy removal.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55166238261591,"sku":"B003XUDUCO","price":39.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-starter-bolts-front-view.jpg?v=1790365488"},{"product_id":"arp-rear-seal-flywheel-bolt-for-sb-chevy-2002807-hardened-alloy-heat-treated-usa","title":"ARP Rear Seal Flywheel Bolt for SB Chevy — 2002807 Hardened Alloy, Heat‑Treated USA","description":"\u003cp\u003e\u003cstrong\u003eARP 2002807 is a precision-engineered rear seal flywheel bolt kit designed to secure the flywheel on small-block Chevy engines with superior clamping strength and long-term reliability.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis ARP bolt is made for the rear main seal area of SB Chevy engines, built to withstand repeated torque cycles and resist stretching or failure under high loads. The kit replaces the standard fastener with a hardened, accurately threaded bolt that reduces the chance of seal leaks and keeps the flywheel clamped consistently. Packaged in a compact container, the part is manufactured in the United States and intended for anyone rebuilding or upgrading a small-block Chevy powertrain.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes this bolt better than OEM hardware?\u003c\/h3\u003e\n\u003cp\u003eARP fasteners are produced from higher-grade alloy steel and heat-treated to maintain tensile strength beyond typical factory bolts. That extra strength helps maintain consistent clamp load after multiple heating and cooling cycles, which lowers the risk of loosening or elongation that can cause leaks or misalignment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-strength alloy construction for improved durability\u003c\/li\u003e\n  \u003cli\u003ePrecision threads for accurate fit and torque readings\u003c\/li\u003e\n  \u003cli\u003eHeat-treated to resist stretch under load\u003c\/li\u003e\n  \u003cli\u003eManufactured in the United States for consistent quality control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the ARP 2002807 on my SB Chevy?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows the same basic steps as the factory bolt but requires correct torque values and lubrication to achieve proper clamp load. Use ARP-recommended assembly lubricant or equivalent on the threads and under the bolt head, and always torque in stages to the specified value for your engine build.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClean and inspect mating surfaces before assembly\u003c\/li\u003e\n  \u003cli\u003eApply recommended lubricant to threads and underside of bolt head\u003c\/li\u003e\n  \u003cli\u003eTighten in progressive steps to the engine-specific torque spec\u003c\/li\u003e\n  \u003cli\u003eConfirm rear main seal seating and flywheel alignment after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these bolts fit my small-block Chevy application?\u003c\/h3\u003e\n\u003cp\u003eARP 2002807 is produced for typical SB Chevy rear seal flywheel configurations; verify compatibility by matching the part number to your engine variant or consulting fitment guides. They are intended as direct replacements where the OEM bolt pattern and length correspond to ARP’s specification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePart number: 2002807 — match against engine build notes\u003c\/li\u003e\n  \u003cli\u003eDesigned for small-block Chevy rear seal flywheel fastening\u003c\/li\u003e\n  \u003cli\u003eDirect-replace style when OEM dimensions align\u003c\/li\u003e\n  \u003cli\u003eWhen in doubt, compare bolt length and thread pitch to original hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePackage details: compact dimensions (approximately 6.858 cm L x 12.953 cm W x 1.016 cm H) and a lightweight shipping weight of about 0.35 lbs make it easy to store and ship. Because ARP manufactures this part in the United States, you get consistent material traceability and production oversight.\u003c\/p\u003e\n\n\u003cp\u003eWho is this for? This ARP bolt is aimed at performance builders, engine rebuilders, and do-it-yourself mechanics who want a durable, high-strength replacement for the rear seal flywheel bolt on small-block Chevy engines. If you need a reliable fastener to maintain clutch and flywheel alignment, reduce the risk of hardware stretch, and support repeated service cycles, the 2002807 offers a straightforward, quality-focused upgrade.\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 the ARP 2002807 a direct replacement for the OEM bolt?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it is intended as a direct-replace fastener when OEM dimensions and thread pitch match the 2002807 specification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special lubricant or torque specs for these bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use ARP-recommended assembly lubricant on threads and under the head, and follow engine-specific torque values for correct clamp load.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55166285447511,"sku":"B003XUDSV2","price":36.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-front-packaging-rear-seal-flywheel-bolt.jpg?v=1790366136"},{"product_id":"arp-stainless-rear-end-cover-bolt-kit-for-gm-12-bolt-polished-170-000-psi-includes-washers","title":"ARP Stainless Rear End Cover Bolt Kit for GM 12‑Bolt — Polished, 170,000 psi, Includes Washers","description":"\u003cp\u003e\u003cstrong\u003eARP 4373002 is a stainless steel bolt kit made to replace and upgrade the rear end cover fasteners on GM 12-bolt differentials.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese bolts are produced by ARP using in-house manufacturing and strict quality controls to deliver high-strength, corrosion-resistant hardware. Designed for GM 12-bolt rear covers, the kit provides a polished aesthetic upgrade while supplying fasteners rated far above common factory and aftermarket grades. The package includes matching washers and precision-cut threads for reliable engagement and repeatable installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit improve the appearance of my GM 12-bolt rear end?\u003c\/h3\u003e\n\u003cp\u003eThe polished stainless finish adds visual contrast to painted or chromed rear covers, giving a refined, show-ready look without additional plating. Because stainless steel resists rust, the bolts maintain their sheen longer than untreated steel fasteners. ARP’s consistent surface finish and head detail ensure a match with other visible underbody hardware.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePolished stainless finish complements painted or chrome covers\u003c\/li\u003e\n  \u003cli\u003eUniform head machining for a clean, finished look\u003c\/li\u003e\n  \u003cli\u003eCorrosion resistance helps preserve appearance over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these bolts stronger than stock hardware and why does that matter?\u003c\/h3\u003e\n\u003cp\u003eYes — ARP 4373002 fasteners are rated at 170,000 psi, a tensile strength significantly above common factory bolts and even above Grade 8 hardware. Higher tensile strength reduces the risk of bolt stretch or failure under torque and vibration typical in heavy-duty or performance applications. Stronger bolts help maintain proper clamping force on the rear cover gasket and can improve long-term reliability of the joint.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e170,000 psi tensile rating for superior strength\u003c\/li\u003e\n  \u003cli\u003eLess prone to elongation under repeated torque cycles\u003c\/li\u003e\n  \u003cli\u003eEngineered to sustain clamping force on differential cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation details should I know before buying?\u003c\/h3\u003e\n\u003cp\u003eThe kit is made to fit GM 12-bolt rear end covers and includes washers so you have the essential hardware ready at install. Threads are precision machined to ensure consistent engagement with the flange or nut. As with any replacement fastener, follow recommended torque specs and use proper thread-lubrication or locking method as required by your application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned specifically for GM 12-bolt rear covers\u003c\/li\u003e\n  \u003cli\u003ePrecision threads for secure, repeatable torqueing\u003c\/li\u003e\n  \u003cli\u003eIncludes washers to match head diameter and load distribution\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does ARP ensure consistent quality for these bolts?\u003c\/h3\u003e\n\u003cp\u003eARP performs all manufacturing processes in-house so each step can be monitored and controlled to meet tight tolerances and material standards. The company’s focus on end-to-end production reduces variability and helps deliver bolts with consistent mechanical properties and finish. Finished pieces are inspected for threads, head dimensions, and material integrity before packaging.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIn-house manufacturing for process control and uniformity\u003c\/li\u003e\n  \u003cli\u003eInspection of threads and head dimensions for fit and finish\u003c\/li\u003e\n  \u003cli\u003eMaterial selection and heat treatment to meet rated strength\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The ARP 4373002 Stainless Steel Rear End Cover Bolt Kit is aimed at enthusiasts, restorers, and technicians working on GM vehicles equipped with a 12-bolt differential who want a durable, high-strength fastener upgrade that also improves visual appeal. It’s suitable for show cars, daily drivers, and performance builds where higher tensile strength and corrosion resistance are desired. If you need stronger, more attractive rear cover fasteners with included washers and precision threads, this ARP kit is a direct-fit 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: Will these bolts fit any GM 12-bolt rear cover?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the ARP 4373002 kit is made to fit standard GM 12-bolt rear end covers; verify bolt pattern before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the bolts come with washers and how strong are they?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes washers, and the bolts are rated at 170,000 psi tensile strength, stronger than Grade 8 hardware.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55167282708823,"sku":"B000CFQ9OY","price":43.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-4373002-front-view-bolts-and-washers.jpg?v=1790381253"},{"product_id":"arp-torque-converter-bolts-for-gm-4l60-4l80-10mm-x1-50-6-pc-chromoly-black-oxide-12-point","title":"ARP Torque Converter Bolts for GM 4L60\/4L80 – 10mm x1.50, 6‑pc Chromoly Black Oxide, 12‑Point","description":"\u003cp\u003e\u003cstrong\u003eHigh-strength ARP Pro Series torque converter bolts engineered for 4L60\/4L80 transmissions—10 mm x 1.50 thread, 0.590\" length, 12-point head, chromoly with black oxide finish, sold as a set of six.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese bolts are made to secure the torque converter to the flexplate with greater clamping reliability than standard hardware. ARP’s Pro Series fasteners use chromoly steel for improved tensile strength and a black oxide finish for corrosion resistance and reduced galling. The kit corresponds to part number 230-7305 and is vehicle-specific for GM 4L60 and 4L80 transmissions where a 10 mm x 1.50 bolt with 0.590-inch engagement is required.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes these ARP bolts stronger than factory hardware?\u003c\/h3\u003e\n\u003cp\u003eARP Pro Series bolts are manufactured from high-quality chromoly alloy and heat-treated to maintain consistent strength under repeated loads. The 12-point head allows precise torque application and better socket engagement in tight service areas. Compared with stock bolts, these provide higher clamping force and greater fatigue resistance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: chromoly alloy with controlled heat treatment\u003c\/li\u003e\n  \u003cli\u003eHead type: 12-point for improved wrench access and torque control\u003c\/li\u003e\n  \u003cli\u003eFinish: black oxide to reduce corrosion and friction during installation\u003c\/li\u003e\n  \u003cli\u003eDesign: engineered for repeated load and vibration environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these bolts fit my 4L60 or 4L80 setup?\u003c\/h3\u003e\n\u003cp\u003eThese bolts are intended for use with GM 4L60 and 4L80 transmissions that accept a 10 mm x 1.50 thread size and 0.590-inch bolt length for torque converter retention. Check your vehicle’s service manual or measure an original bolt to confirm thread pitch and engagement length before ordering. ARP part number 230-7305 identifies the correct fit for compatible applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThread size: 10 mm x 1.50 (metric fine pitch)\u003c\/li\u003e\n  \u003cli\u003eLength: 0.590 inches of threaded engagement\u003c\/li\u003e\n  \u003cli\u003eQuantity: kit includes six bolts for a complete converter attachment\u003c\/li\u003e\n  \u003cli\u003ePart reference: ARP P\/N 230-7305 for cross-checking fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should these torque converter bolts be installed?\u003c\/h3\u003e\n\u003cp\u003eProper installation requires clean threads, appropriate fastener lubricant if specified, and torqueing to the manufacturer or ARP recommended values in a cross-pattern where applicable. Use a 12-point socket sized for the bolt head to avoid rounding, and re-check torque after initial break-in cycles. Follow safety procedures for supporting the transmission and converter during assembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrep: clean and inspect threads; replace damaged hardware\u003c\/li\u003e\n  \u003cli\u003eTooling: use a correct 12-point socket for full contact\u003c\/li\u003e\n  \u003cli\u003eTorque: follow OEM or ARP torque sequence and values\u003c\/li\u003e\n  \u003cli\u003ePost-install: re-torque after initial operation as recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? These ARP Pro Series torque converter bolts are aimed at mechanics, performance builders, and vehicle owners upgrading or servicing GM automatic transmissions (4L60\/4L80) who want durable, high-integrity fasteners. They suit restorations, high-mileage repairs, and moderate performance applications where improved clamp load and reliability are desired. If you need direct OEM fitment verification, refer to ARP part number 230-7305 and your vehicle’s service specifications 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: Are these bolts reusable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—ARP chromoly bolts are reusable if undamaged and not stretched; inspect threads and heads before reuse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these bolts include washers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the ARP kit supplies six bolts only; use OEM or specified washers if your application requires them.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55167292965207,"sku":"B000O3RSK8","price":44.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-torque-converter-bolts-front-packaging.jpg?v=1790381800"},{"product_id":"arp-intake-manifold-bolt-kit-for-small-block-chevy-black-oxide-12-point-high-strength-clamp","title":"ARP intake manifold bolt kit for Small-Block Chevy — Black Oxide 12-point, high-strength clamp","description":"\u003cp\u003e\u003cstrong\u003eARP 1342001 is a black-oxide finished 12-point intake manifold bolt kit engineered for small-block Chevrolet engines to deliver consistent clamp load and durable fastening of intake manifolds.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you’re assembling or rebuilding a small-block Chevy (SB Chevy) engine, the intake manifold bolts are critical for maintaining a tight seal and preventing vacuum leaks. ARP’s intake manifold bolt kit P\/N 134-2001 contains purpose-made fasteners designed to fit vehicle-specific SB Chevy intake manifolds, offering improved strength and repeatable torque compared with generic hardware.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this bolt kit improve intake manifold sealing and reliability?\u003c\/h3\u003e\n\u003cp\u003eThe ARP 12-point bolts provide a uniform clamping force across the intake manifold flange, reducing the chance of warping or uneven compression that can cause leaks. The black oxide finish offers mild corrosion resistance and a finished appearance, while ARP’s manufacturing tolerances promote consistent torque readings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12-point head for high-torque, positive socket engagement\u003c\/li\u003e\n  \u003cli\u003eEngineered for SB Chevy intake manifold geometry\u003c\/li\u003e\n  \u003cli\u003eBlack oxide surface finish to resist light corrosion\u003c\/li\u003e\n  \u003cli\u003eSuperior dimensional control for consistent clamp load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat hardware is included and how does it fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThis kit is ARP part number 134-2001, sold specifically for Small Block Chevy applications. It’s sold as a vehicle-specific fit kit, so it matches the bolt pattern and lengths needed for standard SB Chevy intake manifolds without the guesswork of selecting individual fasteners.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete intake manifold bolt set for SB Chevy\u003c\/li\u003e\n  \u003cli\u003ePart number clearly marked: 134-2001\u003c\/li\u003e\n  \u003cli\u003ePackage weight around 0.65 pounds for easy shipping and handling\u003c\/li\u003e\n  \u003cli\u003eDesigned to replace OE bolts with improved strength and fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and torque these ARP bolts for best results?\u003c\/h3\u003e\n\u003cp\u003eUse a calibrated torque wrench and follow the intake manifold manufacturer’s sequence and recommended torque values. ARP bolts typically require a controlled torque procedure—clean threads, apply the manufacturer-specified lubricant if instructed, and tighten in an even pattern to the recommended value.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow intake manifold torque sequence and values\u003c\/li\u003e\n  \u003cli\u003eUse calibrated torque wrench for repeatable results\u003c\/li\u003e\n  \u003cli\u003eClean threads and apply lubricant only if specified\u003c\/li\u003e\n  \u003cli\u003eRe-torque after initial heat cycles if recommended by installer manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat advantages do ARP bolts offer over stock hardware?\u003c\/h3\u003e\n\u003cp\u003eARP fasteners are manufactured with tighter tolerances and higher-quality materials compared with many factory or generic bolts, resulting in increased fatigue life and predictable torque behavior. For performance builds or restorations, using ARP intake manifold bolts reduces the risk of fastener stretch and improves long-term sealing integrity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher quality control and material properties\u003c\/li\u003e\n  \u003cli\u003eReduced risk of stretch under repeated torqueing\u003c\/li\u003e\n  \u003cli\u003eConsistent clamping across installation cycles\u003c\/li\u003e\n  \u003cli\u003eDirect-fit replacement for SB Chevy intake manifolds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: ARP 1342001 is aimed at mechanics, restorers, and engine builders working on Small Block Chevy engines who want a direct-fit upgrade over OE intake manifold bolts. Whether you’re doing a routine rebuild, a performance upgrade, or a classic restoration, this kit provides dependable fastening, accurate fit, and the repeatable torque performance ARP is known for.\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 ARP 1342001 compatible with all small-block Chevy manifolds?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: ARP 1342001 is made for standard SB Chevy intake manifolds; check your vehicle-specific fit guide or part reference to confirm compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these bolts require special lubrication or torque specs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow the intake manifold manufacturer's torque sequence and values; use thread lubricant only if the installation instructions specify it.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55167303811415,"sku":"B000CFU4P4","price":42.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-1342001-front-packaging.jpg?v=1790382307"},{"product_id":"arp-pressure-plate-bolt-kit-for-12-clutch-chromoly-hex-head-black-oxide-for-gm-ls-series","title":"ARP Pressure Plate Bolt Kit for 12\" Clutch — Chromoly Hex Head, Black Oxide for GM LS-Series","description":"\u003cp\u003e\u003cstrong\u003eARP's chromoly hex-head pressure plate bolt kit supplies high-strength, black-oxide fasteners engineered for secure clamping of 12-inch clutch pressure plates on GM LS-series engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for engine builders and performance technicians, this kit contains heat-treated chromoly bolts with a black oxide finish sized specifically for 12\" clutches used in GM LS-platform powertrains. ARP fasteners are manufactured to tighter tolerances and higher tensile strengths than typical hardware, helping maintain clamp load under high rpm and thermal cycling. The compact kit ships in a small, lightweight package and includes the quantity needed for a single pressure plate installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhat components are included in the pressure plate bolt kit?\u003c\/h3\u003e\n\u003cp\u003eThis kit provides the correct number of hex-head chromoly bolts to mount a 12-inch pressure plate for GM LS-series drivelines. Each bolt is heat-treated and finished with black oxide for corrosion resistance and reduced galling. The package dimensions and weight make it convenient to store in a parts drawer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-treated chromoly hex-head bolts sized for 12\" pressure plates\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish to reduce surface corrosion and seizing\u003c\/li\u003e\n  \u003cli\u003eQuantity packaged to install one pressure plate on GM LS engines\u003c\/li\u003e\n  \u003cli\u003eCompact retail packaging: approximately 5.71\" x 3.90\" x 0.59\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these bolts help during clutch installation and service?\u003c\/h3\u003e\n\u003cp\u003eUsing purpose-made pressure plate bolts ensures accurate torque retention and repeatable clamp load when installing a clutch assembly. The chromoly alloy provides higher tensile strength than standard steel hardware, reducing the risk of fastener elongation under load. The hex-head design allows straightforward use with common sockets and torque tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConsistent torque acceptance for reliable clutch clamping\u003c\/li\u003e\n  \u003cli\u003eHigher strength chromoly reduces stretch and failure risk\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish minimizes galling during installation\/removal\u003c\/li\u003e\n  \u003cli\u003eHex heads compatible with standard torque tools and sockets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these bolts fit my GM LS-series application and 12\" clutches?\u003c\/h3\u003e\n\u003cp\u003eThe kit is specified for 12\" pressure plates used on GM LS-series engines; verify bolt length and thread pitch against your pressure plate and flywheel specifications before purchase. ARP fasteners are commonly used in performance and replacement applications where factory bolts are either undersized or not specified for repeated high-load service. If you run an aftermarket pressure plate, confirm the required bolt geometry to ensure proper engagement and safety.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntended for 12\" pressure plates on GM LS-family setups\u003c\/li\u003e\n  \u003cli\u003eCheck thread pitch and bolt length against your components\u003c\/li\u003e\n  \u003cli\u003eIdeal when replacing factory bolts or upgrading to stronger hardware\u003c\/li\u003e\n  \u003cli\u003eCompatible with most aftermarket clutch assemblies designed for LS engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Builders, technicians, and enthusiasts installing or servicing 12-inch clutch assemblies on GM LS-series engines who want stronger, repeatable fasteners than stock hardware provide. This ARP kit suits high-performance builds, track cars, or any application where maintaining consistent clamp load and avoiding bolt failure are priorities. If you need bolts with higher tensile strength, straightforward installation using common tools, and a compact, ready-to-install package, this kit is a practical upgrade over standard replacement bolts.\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 bolts compatible with aftermarket pressure plates?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit most 12\" aftermarket pressure plates for GM LS engines, but verify bolt length and thread pitch before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What material and finish are the bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit uses heat-treated chromoly bolts with a black oxide finish for strength and corrosion resistance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55167410504023,"sku":"B00SJ4AWOI","price":39.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-pressure-plate-bolt-kit-packaging.jpg?v=1790386069"},{"product_id":"arp-m8-x-1-25-thread-cleaning-chaser-precision-fluted-tool-for-restoring-internal-threads","title":"ARP M8 x 1.25 Thread Cleaning Chaser — Precision Fluted Tool for Restoring Internal Threads","description":"\u003cb\u003eARP 912-0001 is a precision thread cleaning chaser sized M8 x 1.25 designed to gently restore and clean damaged or corroded internal threads.\u003c\/b\u003e\n\n\u003cp\u003eThis compact, American-made chaser provides a quick, reliable way to renew M8 x 1.25 metric threads without cutting new threads or changing fastener fit. Built to ARP's proprietary standards, the tool removes rust, dirt, and minor deformities to help fasteners seat properly again. It’s not vehicle- or application-specific—use it wherever M8 x 1.25 internal threads need refreshing.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the chaser restore thread function without re-cutting?\u003c\/h3\u003e\n\u003cp\u003eThe ARP chaser reshapes and cleans existing thread crests rather than removing substantial material. Its flutes and relief geometry are engineered to push debris out while realigning loured or slightly damaged peaks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision-ground teeth sized for M8 x 1.25 pitch\u003c\/li\u003e\n  \u003cli\u003eFluted design clears corrosion, dirt, and thread locker residues\u003c\/li\u003e\n  \u003cli\u003eRestores alignment so bolts can seat and torque consistently\u003c\/li\u003e\n  \u003cli\u003eMinimizes material removal compared to a tap or re-cutting tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and finish can this chaser handle?\u003c\/h3\u003e\n\u003cp\u003eMade in the United States, the ARP chaser is intended for metal fastener systems commonly found in machinery and assemblies. It handles most ferrous and non-ferrous materials where threads have surface damage or contamination rather than deep wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEffective on steel, aluminum, and cast iron threads\u003c\/li\u003e\n  \u003cli\u003eRemoves surface corrosion without aggressive cutting\u003c\/li\u003e\n  \u003cli\u003eWorks with both plated and raw fastener holes\u003c\/li\u003e\n  \u003cli\u003eBest suited for light-to-moderate thread distress, not for stripped or oversized holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use the ARP M8 x 1.25 chaser safely for best results?\u003c\/h3\u003e\n\u003cp\u003eUse steady, controlled turns and moderate pressure. Back the chaser out periodically to clear chips, and use a light cutting or cleaning fluid if threads contain heavy deposits; avoid forcing the tool through severely damaged threads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSecure the part so threads stay aligned during cleaning\u003c\/li\u003e\n  \u003cli\u003eTurn clockwise to engage, then reverse slightly to clear debris\u003c\/li\u003e\n  \u003cli\u003eApply light lubricant or penetrating fluid for stubborn corrosion\u003c\/li\u003e\n  \u003cli\u003eInspect threads after use and repeat only if needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat packaging and identification details come with the product?\u003c\/h3\u003e\n\u003cp\u003eThe chaser ships in compact packaging with dimensions and weight suitable for easy storage and shipping. Each unit is labeled with ARP part number 912-0001 for inventory and reordering purposes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage dimensions: 8.82 L x 1.05 H x 3.24 W inches\u003c\/li\u003e\n  \u003cli\u003ePackage weight: 1.31 pounds\u003c\/li\u003e\n  \u003cli\u003eCountry of origin: United States\u003c\/li\u003e\n  \u003cli\u003ePart number: 912-0001 for ARP cataloging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ARP 912-0001 chaser is ideal for mechanics, machinists, fab shops, and hobbyists who frequently work with metric fasteners and need a reliable, compact tool to refresh M8 x 1.25 internal threads. If you maintain engines, assemblies, or repairs where restored thread fit matters, this chaser offers a low-effort way to improve bolt seating and torque repeatability without resorting to larger rework tools.\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 the ARP 912-0001 chaser the same as a tap?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. A chaser cleans and restores existing threads with minimal material removal; a tap cuts new threads or re-cuts worn ones.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this chaser on aluminum threads?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It works on aluminum as well as steel and cast iron for light-to-moderate surface damage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55167435931991,"sku":"B005JIQHKK","price":45.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-thread-chaser-front-packaging.jpg?v=1790386587"},{"product_id":"arp-header-bolts-3-8-hex-head-set-16-piece-8740-chrome-moly-170-000-psi-black-oxide","title":"ARP header bolts 3\/8\" hex-head set — 16-piece 8740 chrome-moly, 170,000 psi, black oxide","description":"\u003cp\u003e\u003cstrong\u003eThese ARP 100-1110 header bolts are a 16-piece, 3\/8\" hex-head kit made from heat-treated 8740 chrome-moly steel with a black oxide finish and a 170,000 psi tensile rating for secure, long-lasting exhaust header installs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you’re fitting or replacing exhaust headers, the fasteners you choose affect clamping reliability and long-term resistance to high temperatures and vibration. ARP manufactures its own hardware in-house to maintain tight tolerances and consistent quality; this set of 16 header bolts includes premium washers and is engineered for strength and repeatable torque values during installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose these bolts over standard Grade 8 fasteners?\u003c\/h3\u003e\n\u003cp\u003eARP 100-1110 bolts are made from heat-treated 8740 chrome-moly steel, delivering a much higher tensile strength than typical Grade 8 hardware. The elevated 170,000 psi rating increases margin against stretch or failure under header thermal cycles and engine vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e170,000 psi tensile strength—significantly above Grade 8\u003c\/li\u003e\n  \u003cli\u003eChrome-moly construction for superior fatigue resistance\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish for basic corrosion protection and reduced glare\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these bolts help during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eThe hex-style heads provide a conventional wrenching surface that most mechanics and enthusiasts prefer for easy access in tight header flanges. The 1.000\" under-head length positions the fastener properly for common header flange thicknesses, while included washers protect the flange and distribute clamping load evenly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTraditional hex heads for simple wrench or socket use\u003c\/li\u003e\n  \u003cli\u003e1.000\" under-head length suited to most header flange assemblies\u003c\/li\u003e\n  \u003cli\u003ePremium washers included to prevent flange damage and reduce loosening\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these bolts compatible with high-heat exhaust environments?\u003c\/h3\u003e\n\u003cp\u003eYes—8740 chrome-moly steel and the heat-treatment process give the fasteners improved strength retention at elevated temperatures compared with standard steel. The black oxide surface finish offers a degree of corrosion resistance, but for extreme or long-term exposure you may choose additional coatings or anti-seize for enhanced protection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-treated material maintains clamping force in hot environments\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish reduces surface oxidation and thread galling\u003c\/li\u003e\n  \u003cli\u003eWorks well with anti-seize or high-temp thread compounds if desired\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications I should know before ordering?\u003c\/h3\u003e\n\u003cp\u003eThis kit contains 16 bolts sized 3\/8\" in diameter, each with a 1.000\" under-head length and traditional hex heads. The set ships with matching premium washers and is labeled as ARP part 100-1110 (1001110).\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eQuantity: 16 pieces including premium washers\u003c\/li\u003e\n  \u003cli\u003eDiameter: 3\/8\"; under-head length: 1.000\"\u003c\/li\u003e\n  \u003cli\u003eMaterial: heat-treated 8740 chrome-moly steel with black oxide finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This ARP header bolt set is aimed at professional mechanics, performance builders, and DIY enthusiasts who demand higher-strength fasteners for exhaust header installations. If you want bolts that tolerate high temperatures, resist fatigue, and provide consistent torque during assembly, this kit offers an upgrade over conventional hardware. For extreme corrosion environments or specialty motorsport builds, consider additional coatings or consult installation guidelines for the proper thread lubricants and torque specs.\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: What material are ARP 100-1110 bolts made of?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are made from heat-treated 8740 chrome-moly steel with a black oxide finish for strength and basic corrosion resistance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these bolts include washers and how many pieces come in the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the kit includes premium-quality washers and contains 16 bolts in total.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55167610913111,"sku":"B000CFQ35O","price":41.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-header-bolts-hex-head-chrome-moly.jpg?v=1790389516"},{"product_id":"arp-ultra-torque-assembly-lubricant-10-oz-brush-top-can-stabilizes-torque-reduces-galling","title":"ARP Ultra Torque Assembly Lubricant — 10 oz Brush-Top Can, Stabilizes Torque \u0026 Reduces Galling","description":"\u003cp\u003e\u003cstrong\u003eARP Ultra Torque is a high-performance assembly lubricant formulated to protect fasteners, stabilize torque readings and reduce galling during installation.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for engine builders, race teams and professional technicians, this conventional assembly lubricant comes in a 10 oz brush-top can for precise application. It helps deliver consistent clamp loads and minimizes surface friction between fastener threads and underheads without being a permanent thread locker. Made in the United States and packaged compactly, ARP Ultra Torque is intended for use during final assembly to improve repeatable torque values and prolong fastener life.\u003c\/p\u003e\n\n\u003ch3\u003eHow does ARP Ultra Torque affect torque readings?\u003c\/h3\u003e\n\u003cp\u003eApplying a controlled film of Ultra Torque reduces variability from dry-thread friction, helping torque wrenches produce more consistent clamp force. It does not chemically bond threads—its role is to lubricate mating surfaces so the applied torque converts more predictably into clamping load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCreates a uniform friction surface at threads and underheads\u003c\/li\u003e\n  \u003cli\u003eReduces scatter in torque-to-tension conversion\u003c\/li\u003e\n  \u003cli\u003eImproves repeatability for precision assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is the correct way to apply the brush-top lubricant?\u003c\/h3\u003e\n\u003cp\u003eThe brush-top applicator lets you spread a thin, even coating on bolt threads and the bearing surfaces beneath heads and nuts. Use a small amount—excess lubricant can alter torque readings—then install and tighten fasteners per the manufacturer’s recommended sequence.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrush a light film on threads and underhead faces\u003c\/li\u003e\n  \u003cli\u003eWipe away visible build-up or drips before assembly\u003c\/li\u003e\n  \u003cli\u003eFollow specified torque and tightening patterns after application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat types of fasteners and environments is it suited for?\u003c\/h3\u003e\n\u003cp\u003eUltra Torque is formulated for a wide range of steel fasteners commonly used in engines and structural assemblies. It is intended for use during assembly rather than as a corrosion-proofing long-term coating; for exposure-sensitive installations, combine with recommended corrosion protection methods.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for threaded steel bolts, studs, and nuts during installation\u003c\/li\u003e\n  \u003cli\u003eAppropriate for engine head bolts, main caps, and suspension fasteners\u003c\/li\u003e\n  \u003cli\u003eNot a permanent anti-seize—used primarily for torque control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical and packaging details I should know?\u003c\/h3\u003e\n\u003cp\u003eThis product ships in a 10 oz brush-top can that measures roughly 5\" x 2.5\" x 2.5\" and weighs approximately 0.65 pounds. It is labeled with model number 100-9910 and manufactured in the United States, making it easy to identify in a professional shop or parts bin.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10 oz brush-top can for precise, low-waste application\u003c\/li\u003e\n  \u003cli\u003eCompact package dimensions: 5\" L x 2.5\" W x 2.5\" H\u003c\/li\u003e\n  \u003cli\u003eModel: 100-9910, Country of origin: United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? ARP Ultra Torque is aimed at engine builders, motorsport teams, automotive technicians and any professional performing precision bolting where consistent clamp loads matter. If you need predictable torque-to-tension performance and a convenient brush-top applicator for controlled coverage, this assembly lubricant is a practical shop-ready 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: Can ARP Ultra Torque replace anti-seize?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Ultra Torque is for assembly lubrication and torque consistency, not long-term anti-seize protection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much should I apply to each bolt?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply a thin, even film on threads and under the head; avoid excess that can skew torque readings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55168291602775,"sku":"B004XJRFCK","price":42.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-ultra-torque-front-can.jpg?v=1790398425"},{"product_id":"arp-flywheel-bolt-kit-330-2802-high-tensile-alloy-bolts-for-repeatable-torque-and-fatigue-resistance","title":"ARP flywheel bolt kit 330-2802 — high-tensile alloy bolts for repeatable torque and fatigue resistance","description":"\u003cp\u003e\u003cstrong\u003eARP 330-2802 Flywheel Bolt Kit provides high-strength, precision-engineered flywheel bolts designed to secure your engine’s flywheel reliably under high torque and repeated load cycles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt by ARP, a long-established manufacturer of performance fasteners, the 330-2802 kit delivers replacement or upgrade bolts made to tighter tolerances and higher material specifications than most OE hardware. These bolts are intended for demanding automotive and motorsport environments where consistent clamping force and fatigue resistance matter.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose ARP flywheel bolts over standard OEM bolts?\u003c\/h3\u003e\n\u003cp\u003eARP bolts are produced from premium alloy steels and manufactured to exacting standards for strength and durability. Compared with stock bolts, they offer improved tensile strength, better thread fit, and greater resistance to stretch under repeated use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh tensile-strength alloy construction for consistent clamping.\u003c\/li\u003e\n  \u003cli\u003ePrecision threads for reliable torque readings and fit.\u003c\/li\u003e\n  \u003cli\u003eReduced risk of bolt stretch during repeated engine use or high-power applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these bolts affect installation and torqueing?\u003c\/h3\u003e\n\u003cp\u003eThe 330-2802 kit is engineered for repeatable torque values, which simplifies achieving correct clamping force during installation. Use a calibrated torque wrench and follow the vehicle or clutch manufacturer’s torque sequence for best results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for consistent torque readings to prevent over- or under-tightening.\u003c\/li\u003e\n  \u003cli\u003eSmooth, uniform threads reduce galling and enable accurate torque application.\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard installation tools and recommended tightening patterns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat environments or engines are these bolts suited for?\u003c\/h3\u003e\n\u003cp\u003eThese fasteners are suitable for street performance builds, track cars, and many high-load driveline applications. They are commonly used where the flywheel and clutch are exposed to elevated torque, heat, and vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePerformance and motorsport applications needing greater reliability than stock bolts.\u003c\/li\u003e\n  \u003cli\u003eEngines with higher-than-factory torque output or frequent clutch changes.\u003c\/li\u003e\n  \u003cli\u003eSituations where long-term fatigue resistance and safety are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical specifications and packaging details?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships from the United States and arrives in compact packaging designed to protect the fasteners. Dimensions and weight reflect a ready-to-ship retail package suitable for inventory or service-shop use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage dimensions: 2.1 cm L x 14.7 cm W x 24.5 cm H for compact storage.\u003c\/li\u003e\n  \u003cli\u003ePackage weight: approximately 3.0 lbs, including protective inserts.\u003c\/li\u003e\n  \u003cli\u003eMade in the United States to ARP’s manufacturing standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ARP 330-2802 Flywheel Bolt Kit is aimed at mechanics, tuners, and enthusiasts who want stronger, more reliable flywheel fasteners than factory hardware. It’s appropriate for anyone performing a clutch service, upgrading driveline components, or preparing a vehicle for high-stress use where bolt integrity is essential. If you value repeatable torque performance, reduced risk of bolt failure, and hardware built to motorsport-level standards, this ARP kit is a direct, performance-focused 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: Are ARP 330-2802 bolts reusable after removal?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: ARP bolts can sometimes be reused if they show no stretch or damage, but best practice is to replace them when specified by torque-to-yield guidance or manufacturer instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these bolts fit my vehicle’s flywheel?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatibility depends on the specific engine and flywheel application; confirm part number 330-2802 matches your vehicle or clutch manufacturer fitment before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55168383353175,"sku":"B077Y8KGVL","price":58.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-flywheel-bolt-kit-front-packaging.jpg?v=1790402278"},{"product_id":"arp-pro-series-flexplate-bolt-kit-for-gen-ii-ls-small-block-chevrolet-m11-x1-5-bolts-12-point-heads","title":"ARP Pro Series flexplate bolt kit for Gen II\/LS small block Chevrolet — M11 x1.5 bolts, 12‑point heads","description":"\u003cstrong\u003eHigh-strength ARP Pro Series flexplate bolts engineered for Gen II\/LS small block Chevrolet engines, offering superior clamping and durability compared with OEM fasteners.\u003c\/strong\u003e\n\n\u003cp\u003eThese ARP 244-2901 bolts are purpose-built to secure the flexplate to the crankshaft on Gen II\/LS-series small block Chevrolet engines. Forged from aerospace-grade alloy, heat-treated, and precision-machined, they replace weaker factory hardware with a thicker shank diameter, improved register, and a flat 12-point head that resists rounding during installation. The kit uses M11 x 1.5 threads and is tightened with a 3\/4-inch wrench, making it a direct, high-performance upgrade for builders and technicians who demand reliability under higher loads.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose ARP Pro Series bolts over stock flexplate hardware?\u003c\/h3\u003e\n\u003cp\u003eARP's Pro Series bolts are manufactured to higher material and process standards than typical OE parts. The aerospace alloy and controlled heat-treatment deliver a marked increase in tensile strength and fatigue resistance, reducing the chance of bolt stretch or failure during heavy-duty use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eForged aerospace-grade alloy for improved strength\u003c\/li\u003e\n  \u003cli\u003eHeat-treated prior to thread-rolling to maintain integrity\u003c\/li\u003e\n  \u003cli\u003eLarger shank diameter for better load distribution\u003c\/li\u003e\n  \u003cli\u003eFlat 12-point head for secure wrench engagement and less rounding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these bolts improve installation and serviceability?\u003c\/h3\u003e\n\u003cp\u003eThe ARP 12-point head design presents a full, flat contact surface for a 3\/4-inch tool, minimizing slippage and damage when torquing. Precision machining and consistent threads help ensure repeatable clamping force and easier torque verification during assembly or maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eM11 x 1.5 thread pitch matches LS crank specifications\u003c\/li\u003e\n  \u003cli\u003e3\/4-inch wrenching for common shop tools\u003c\/li\u003e\n  \u003cli\u003ePrecision threads reduce cross-thread risk\u003c\/li\u003e\n  \u003cli\u003eConsistent factory-like fit with improved register\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these bolts fit my Gen II\/LS small block Chevy crankshaft?\u003c\/h3\u003e\n\u003cp\u003eYes—this ARP 244-2901 kit is specified for Gen II\/LS-series small block Chevrolet applications that use M11 x 1.5 flexplate fasteners. Confirm your engine uses the same thread size and bolt pattern before installing; when matched, these bolts provide a direct, high-reliability replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for Gen II\/LS small block Chevy crank interfaces\u003c\/li\u003e\n  \u003cli\u003eThread size: M11 x 1.5—verify against your crank or service manual\u003c\/li\u003e\n  \u003cli\u003eDirect-replacement form factor for common LS flexplates\u003c\/li\u003e\n  \u003cli\u003eIdeal when upgrading from factory hardware or during rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and longevity benefits can I expect?\u003c\/h3\u003e\n\u003cp\u003eUpgrading to ARP Pro Series fasteners reduces the risk of bolt failure under high torque and cyclic loading, which is especially important for modified engines or heavy-duty use. Stronger bolts maintain clamp load and alignment longer, contributing to fewer service interruptions and safer drivetrain operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher tensile strength reduces stretch and loosening\u003c\/li\u003e\n  \u003cli\u003eBetter fatigue resistance under repeated torque cycles\u003c\/li\u003e\n  \u003cli\u003eImproved register reduces misalignment risk between flexplate and crank\u003c\/li\u003e\n  \u003cli\u003eDurable finish and machining for long-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The ARP 2442901 Pro Series flexplate bolt kit is aimed at enthusiasts, performance builders, and professional mechanics working on Gen II\/LS small block Chevrolet engines who want a robust, long-lasting upgrade to factory hardware. It’s suited for engine builds with increased power, repeated track or towing use, or any overhaul where dependable fasteners reduce the chance of drivetrain issues. Always verify thread size and torque specifications during installation and follow ARP’s assembly recommendations for optimal results.\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: What thread size is the ARP 2442901 bolt kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit uses M11 x 1.5 thread size, matching Gen II\/LS small block Chevrolet flexplate fasteners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What tool size tightens these ARP flexplate bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: These bolts are tightened with a 3\/4-inch wrench using ARP recommended torque specifications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55168452264279,"sku":"B003XUH4QM","price":45.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-flexplate-bolts-front-view.jpg?v=1790404355"},{"product_id":"arp-chromoly-header-bolt-kit-for-chevrolet-gen-iii-ls-3-8-wide-170-000-psi-tensile-with-washers","title":"ARP Chromoly Header Bolt Kit for Chevrolet Gen III\/LS — 3\/8˝ Wide, 170,000 psi Tensile with Washers","description":"\u003cp\u003e\u003cstrong\u003eHigh-strength ARP 134-1202 chromoly header bolt kit secures Chevrolet Gen III\/LS headers with 170,000 psi tensile fasteners and premium washers for durable, race-ready clamping.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you're installing or replacing headers on a Chevrolet Gen III\/LS engine, the fasteners matter. ARP's 134-1202 kit supplies hardened chromoly bolts engineered to withstand extreme heat and torque cycles far beyond factory hardware. Each fastener is finished in black oxide to reduce glare and corrosion, and the kit includes the exact parts count plus premium washers and a choice of hex or 12-point heads for proper tool access.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these bolts improve header installation reliability?\u003c\/h3\u003e\n\u003cp\u003eStock header bolts can stretch, corrode, or fail under repeated thermal expansion and vibration. ARP chromoly bolts are manufactured and heat-treated to provide consistent clamping force and resist deformation, which helps maintain a reliable exhaust seal over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e170,000 psi tensile strength prevents stretch under heavy loads\u003c\/li\u003e\n  \u003cli\u003eChromoly construction offers high fatigue resistance at elevated temperatures\u003c\/li\u003e\n  \u003cli\u003ePremium washers distribute load to protect flange surfaces\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish adds basic corrosion resistance and reduces reflection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exactly is included in the 134-1202 kit for Gen III\/LS applications?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains the precise number of bolts required for the specified header application, along with matching washers. ARP supplies the hardware so you don’t have to mix and match parts, and options for hex or 12-point heads ensure compatibility with common tools and tight installation spaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrect count of chromoly bolts tailored for Gen III\/LS headers\u003c\/li\u003e\n  \u003cli\u003ePremium washers sized to protect flanges and improve load distribution\u003c\/li\u003e\n  \u003cli\u003eAvailable head styles: standard hex or 12-point for limited access\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish applied to all fasteners in the kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these bolts handle track use or high-performance builds?\u003c\/h3\u003e\n\u003cp\u003eYes—ARP’s chromoly header bolts are designed for demanding environments. The 170,000 psi rating and robust material selection mean the fasteners maintain clamping integrity during aggressive thermal cycling, making them appropriate for street performance and many track applications where stronger-than-stock hardware is required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh tensile rating suitable for elevated stress and vibration\u003c\/li\u003e\n  \u003cli\u003eHeat-treated for consistent mechanical properties under load\u003c\/li\u003e\n  \u003cli\u003eDurable finish helps resist rust in engine bay conditions\u003c\/li\u003e\n  \u003cli\u003ePrepared for repeated assembly\/disassembly without premature wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this kit for? If you own a Chevrolet Gen III\/LS engine and want a reliable, long-lasting header fastener solution—whether you’re doing a routine header swap, building a performance engine, or preparing a car for occasional track use—this ARP 134-1202 chromoly kit gives you stronger, serviceable hardware than stock bolts. It’s especially useful for mechanics and enthusiasts who prioritize repeatable torque values, reduced fastener stretch, and hardware that endures higher temperatures and stresses. Note: always follow ARP’s installation and torque recommendations to achieve optimal clamp load and longevity.\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 bolts compatible with all Gen III\/LS headers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are made for Chevrolet Gen III\/LS header applications; confirm bolt count and 3\/8\" width match your specific header flange before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the bolts require special installation tools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are needed—use the appropriate hex or 12-point socket provided by your kit choice and follow ARP torque specs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55168683934039,"sku":"B00E5YSJ5U","price":56.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-chromoly-header-bolt-kit-front-packaging.jpg?v=1790411670"},{"product_id":"arp-ultra-torque-assembly-lubricant-20-oz-brush-top-container-controlled-application-consistent-fastener-torque","title":"ARP Ultra Torque Assembly Lubricant 20 oz Brush-Top Container — Controlled Application \u0026 Consistent Fastener Torque","description":"\u003cp\u003e\u003cstrong\u003eARP 100-9911 Ultra Torque is a high-performance assembly lubricant in a 20 oz brush-top container designed to ensure consistent, accurate fastener torque during engine and mechanical assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen building engines or assembling critical mechanical joints, consistent torque readings are essential for reliability and safety. ARP formulated this lubricant to provide a uniform friction surface on threads and under bolt heads so torque values reflect clamping load rather than variable surface drag. The brush-top 20 oz container delivers controlled application and reduces waste compared with bulk dispensers.\u003c\/p\u003e\n\n\u003ch3\u003eHow does ARP Ultra Torque affect torque accuracy?\u003c\/h3\u003e\n\u003cp\u003eUltra Torque standardizes the friction coefficient between mating fastener surfaces so torque translates predictably into clamping force. Applying the lubricant to threads and under the bolt head minimizes erratic torque peaks caused by surface irregularities or dry metal-on-metal contact.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFormulated for consistent friction characteristics across multiple assemblies\u003c\/li\u003e\n  \u003cli\u003eHelps reduce torque scatter caused by variable surface finishes\u003c\/li\u003e\n  \u003cli\u003eImproves repeatability when using torque wrenches or angle measurements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhere and how should I apply the lubricant during assembly?\u003c\/h3\u003e\n\u003cp\u003eUse a thin, even coat on stud threads, bolts, and under head bearings where the manufacturer specifies a lubricated fastener. The brush-top cap lets you deposit precise amounts on each fastener, avoiding excess that could contaminate nearby systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrush top for controlled application to threads and bearing surfaces\u003c\/li\u003e\n  \u003cli\u003eApply to clean, dry threads and mating surfaces for best results\u003c\/li\u003e\n  \u003cli\u003eWipe away any stray lubricant from non-fastener areas immediately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this product suitable for engine builds and high-stress assemblies?\u003c\/h3\u003e\n\u003cp\u003eARP Ultra Torque is designed with high-performance engine and mechanical applications in mind. It helps achieve correct preload on studs and bolts used in heads, main caps, and other critical joints where accurate clamp load is required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommonly used on cylinder head bolts, main studs, and clutch\/drive hardware\u003c\/li\u003e\n  \u003cli\u003eCompatible with typical high-stress automotive fasteners when used as directed\u003c\/li\u003e\n  \u003cli\u003eReduces the risk of under- or over-torquing that can compromise assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the product size and package details?\u003c\/h3\u003e\n\u003cp\u003eThe ARP 100-9911 comes in a 20 oz brush-top container sized for shop use and repeated applications. The compact package fits on a parts bench and is easy to store in a cabinet or toolbox for regular assembly work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e20 ounce brush-top container for controlled distribution\u003c\/li\u003e\n  \u003cli\u003ePackage dimensions approximately 5.29 x 2.88 x 1.55 inches\u003c\/li\u003e\n  \u003cli\u003eManufactured in the United States; part number 100-9911\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? ARP 100-9911 Ultra Torque is aimed at professional engine builders, race shops, and serious DIYers who require dependable torque readings and repeatable clamp loads. If you assemble engines, rebuild transmissions, or work on performance drivetrains where fastener preload matters, this brush-top lubricant helps standardize your results and simplifies fastener prep. It is not a substitute for following bolt manufacturers' torque procedures; always apply per your engine builder or OEM specifications.\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 use ARP Ultra Torque on head bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—apply a thin coat to threads and under the head when manufacturer instructions call for lubrication; follow specified torque values.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will one 20 oz container last for multiple engine builds?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—properly applied sparingly with the brush top, a 20 oz bottle typically covers several engine assemblies.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55168854065495,"sku":"B005ASZGOW","price":51.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-ultra-torque-brush-top-front.jpg?v=1790414970"},{"product_id":"arp-small-block-chevy-cylinder-head-hex-bolts-134-3601-high-strength-heat-treated-fastener-kit","title":"ARP Small Block Chevy Cylinder Head Hex Bolts 134-3601 — High‑Strength, Heat‑Treated Fastener Kit","description":"\u003cp\u003e\u003cstrong\u003eThese ARP 134-3601 high-performance hex head cylinder head bolts are a vehicle-specific kit engineered to secure Small Block Chevy heads with superior clamping consistency and durability.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your Small Block Chevrolet engine with a trusted fastener set engineered for repeatable torque and long-term reliability. The ARP 134-3601 kit contains precision-manufactured hex head head bolts designed to reduce stretch and maintain clamping force under high heat and load conditions. Ideal for street performance builds, track cars, and engine rebuilds where dependable head retention matters, these bolts provide an upgrade over many factory fasteners.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes the ARP 134-3601 bolts better than stock hardware?\u003c\/h3\u003e\n\u003cp\u003eARP bolts are made from premium alloy and heat-treated to tighter tolerances than typical OE head bolts. That results in less permanent elongation during installation and more consistent clamp load across all cylinders—important for head gasket life and combustion sealing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-strength alloy construction for reduced stretch\u003c\/li\u003e\n  \u003cli\u003ePrecise machining and threading for consistent torque readings\u003c\/li\u003e\n  \u003cli\u003eHeat treatment to maintain clamp under thermal cycling\u003c\/li\u003e\n  \u003cli\u003eMade specifically to fit Small Block Chevy cylinder head geometry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install these hex head fasteners correctly?\u003c\/h3\u003e\n\u003cp\u003eFollow ARP’s recommended torque sequence and use a calibrated torque wrench. Clean and lubricate fastener threads per instructions, and tighten in the factory sequence in multiple stages to achieve uniform clamp. Re-torque if ARP or engine builder guidance specifies after initial heat cycling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand-start all bolts to avoid cross-threading\u003c\/li\u003e\n  \u003cli\u003eTighten in the factory-specified sequence and increments\u003c\/li\u003e\n  \u003cli\u003eUse ARP-specified lubricant for accurate torque-to-yield behavior\u003c\/li\u003e\n  \u003cli\u003eCheck bolt length and part number (134-3601) for correct application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and vehicles are compatible with part number 134-3601?\u003c\/h3\u003e\n\u003cp\u003eThis kit is tailored for Small Block Chevy cylinder head applications where hex head bolts are required. It’s a vehicle-specific replacement set—verify fitment with your engine’s head and block combination or consult your machine shop before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for Small Block Chevy cylinder head configurations\u003c\/li\u003e\n  \u003cli\u003eIdeal for performance rebuilds and high-load engines\u003c\/li\u003e\n  \u003cli\u003eCheck bolt length and thread pitch against original hardware\u003c\/li\u003e\n  \u003cli\u003ePart number: ARP 134-3601 for accurate identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Enthusiasts, engine builders, and mechanics restoring or upgrading Small Block Chevy engines who want stronger, more stable cylinder head fastening than most original-equipment bolts provide. If you need reliable head clamping for higher compression, forced induction, or long-term durability, the ARP 134-3601 kit is a purpose-built choice. Confirm part compatibility with your specific block and head preparation before installing.\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 ARP 134-3601 a direct replacement for factory SB Chevy head bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—it's designed as a vehicle-specific upgrade for Small Block Chevy heads, but confirm bolt length and thread fit with your head and block before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do ARP head bolts require special lubrication or torque specs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use ARP-recommended lubricant and follow their torque sequence and increments for accurate clamp and to avoid over- or under-torquing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55170597585239,"sku":"B000CFU4PO","price":137.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-1343601-front-packaging.jpg?v=1790431479"},{"product_id":"arp-head-bolt-kit-for-gm-ls-engines-12-point-2004-high-strength-alloy-bolts","title":"ARP Head Bolt Kit for GM LS Engines 12-Point (2004+), High-Strength Alloy Bolts","description":"\u003cp\u003e\u003cstrong\u003eARP Head Bolt Kit for GM LS engines (2004 and later) is a high-strength 12-point fastener set engineered to replace OEM head bolts and deliver consistent clamping force for dependable head sealing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen rebuilding or upgrading a GM LS cylinder head on 2004-and-newer engines, choosing the right head bolt kit matters for torque accuracy, durability, and long-term reliability. ARP is known for premium-grade fasteners made from hardened alloy steel and heat-treated to tight tolerances. This kit supplies the 12-point head bolts sized and prepared specifically for the LS family post-2004, making it a direct-fit upgrade for performance builds, prolonged service life, and correct clamp load during assembly.\u003c\/p\u003e\n\n\u003ch3\u003eWill these ARP 12-point head bolts fit my GM LS 2004+ engine?\u003c\/h3\u003e\n\u003cp\u003eThese bolts are manufactured to match the head-bolt pattern and specifications used on GM LS-series engines from 2004 onward. They are intended as direct replacements for the stock bolts on compatible heads; verify engine year and head casting to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for GM LS engines 2004 and later\u003c\/li\u003e\n  \u003cli\u003e12-point head bolt configuration for factory-style heads\u003c\/li\u003e\n  \u003cli\u003eDirect-fit dimensions—no modification typically required\u003c\/li\u003e\n  \u003cli\u003eCheck your head casting and service manual for final fitment confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do ARP bolts improve assembly and durability compared to OEM bolts?\u003c\/h3\u003e\n\u003cp\u003eARP fasteners are made from high-alloy steel and are fully heat-treated for consistent tensile strength and stretch characteristics. That stability helps deliver predictable clamping force at torque, lowering the chance of gasket failures and the need for retorquing after running-in.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-strength alloy material reduces bolt fatigue and elongation\u003c\/li\u003e\n  \u003cli\u003ePrecise manufacturing tolerances ensure uniform torque and stretch\u003c\/li\u003e\n  \u003cli\u003eDurable finish resists corrosion in engine environments\u003c\/li\u003e\n  \u003cli\u003eImproves long-term head sealing when used with correct torque procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the kit dimensions, weight and packaging details?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships as a single package sized to fit standard parts inventory and workshop bins. Package dimensions and weight help you plan shipping, storage, and inventory usage for rebuild projects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage dimensions: 8.62L x 4.21W x 2.24H inches\u003c\/li\u003e\n  \u003cli\u003ePackage weight: 4.73 pounds\u003c\/li\u003e\n  \u003cli\u003eShipped as one complete kit—Item package quantity: 1\u003c\/li\u003e\n  \u003cli\u003eProduct type classified as bolts for easy cataloging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and torque these head bolts?\u003c\/h3\u003e\n\u003cp\u003eFollow the engine manufacturer’s recommended torque sequence and values unless ARP provides a specific procedure for these bolts. Use a calibrated torque wrench, and if required, apply the correct lubricant or thread treatment ARP recommends for accurate torque-to-yield results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow GM or ARP torque sequence and specs for LS heads\u003c\/li\u003e\n  \u003cli\u003eUse recommended lubricants or thread treatment for accuracy\u003c\/li\u003e\n  \u003cli\u003eEmploy a calibrated torque wrench and proper angular-torque steps if specified\u003c\/li\u003e\n  \u003cli\u003eReplace bolts if they show any signs of damage or over-stretch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this kit for? This ARP Head Bolt Kit is aimed at mechanics, performance builders, and DIY enthusiasts working on GM LS engines from 2004 and later who want higher-strength, reliable head fastening than typical OEM bolts. It benefits engine rebuilders replacing old or stretched bolts, tuners increasing cylinder pressures, and anyone seeking long-term head gasket reliability. Confirm engine compatibility with your head casting and follow proper torque procedures for best results.\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 ARP bolts direct replacements for OEM LS head bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit is designed to fit GM LS engines 2004 and later as a direct replacement; verify your head casting for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do ARP head bolts require special torque treatment?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow GM or ARP torque specs and use the recommended lubricant or angular steps for accurate clamping and stretch control.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55170671706455,"sku":"B09RF9ZXGS","price":185.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-head-bolt-kit-front-packaging.jpg?v=1790432791"},{"product_id":"arp-head-bolt-kit-134-3610-usa-made-high-strength-alloy-steel-precision-heat-treated-set","title":"ARP Head Bolt Kit 134-3610 — USA-made high-strength alloy steel, precision heat-treated set","description":"\u003cp\u003e\u003cstrong\u003eARP 134-3610 Head Bolt Kit is a high-strength, precision-engineered set of head fasteners designed for demanding engine and driveline applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit is part of ARP's long-established line of performance fasteners built for street, off-road, motorsport, and marine use. ARP manufactures a wide range of replacement and specialty hardware, and this head bolt set carries the brand's emphasis on consistent dimensions, controlled material properties, and reliable fitment. The kit ships from the United States and arrives in a compact package built to protect the components during storage and transport.\u003c\/p\u003e\n\n\u003ch3\u003eWhat materials and construction make this kit suitable for high-load engines?\u003c\/h3\u003e\n\u003cp\u003eARP uses controlled-alloy steel and precision heat treatment to deliver consistent tensile strength and fatigue resistance compared with typical OE fasteners. Manufacturing tolerances and thread quality reduce variation during installation, which helps achieve predictable clamping forces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium alloy steel construction for greater tensile strength\u003c\/li\u003e\n  \u003cli\u003ePrecise heat treatment and machining for uniform dimensions\u003c\/li\u003e\n  \u003cli\u003eHigh-quality thread finishes to minimize galling and ensure repeatable torque\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this head bolt kit simplify installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eThe kit is supplied with all necessary bolts and hardware in a single package to streamline engine work. Accurate thread and shank geometry means installers experience fewer surprises and can follow torque sequences more reliably, reducing rework time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete set of head fasteners in one package for convenience\u003c\/li\u003e\n  \u003cli\u003eConsistent threads and lengths to fit specified head applications\u003c\/li\u003e\n  \u003cli\u003eCompact packaging that protects components until installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich applications and engines is the ARP 134-3610 best suited for?\u003c\/h3\u003e\n\u003cp\u003eARP supplies fasteners across street, performance, and racing sectors; this kit is intended for engines and driveline projects where stronger-than-stock head studs or bolts are desired. It is appropriate for rebuilds, performance upgrades, and motorsport-ready builds where reliable clamping is important.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStreet and high-performance automotive engines\u003c\/li\u003e\n  \u003cli\u003eOff-road and powersport engines subject to vibration and high loads\u003c\/li\u003e\n  \u003cli\u003eMotorsport and marine powerplants that require durable fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical information should buyers know about packaging and origin?\u003c\/h3\u003e\n\u003cp\u003eThe ARP 134-3610 ships in a compact protective box sized at roughly 3 × 7 × 7 inches and weighs about 3.0 pounds. The kit is produced in the United States, and ARP documents its part numbers for straightforward cross-referencing with engine specifications and service manuals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage dimensions: 3 H x 7 L x 7 W inches for easy storage\u003c\/li\u003e\n  \u003cli\u003ePackage weight: approximately 3.0 pounds for shipping estimates\u003c\/li\u003e\n  \u003cli\u003eCountry of origin: United States, with ARP quality control standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ARP 134-3610 Head Bolt Kit is aimed at mechanics, tuners, and enthusiasts who want a reliable, precision fastener set for engine assembly or upgrades. If you're rebuilding an engine, prepping a race motor, or upgrading stock hardware for increased durability, this kit provides a grouped, ready-to-install solution from a recognized performance fastener manufacturer.\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 the ARP 134-3610 kit made in the USA?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ARP 134-3610 Head Bolt Kit is manufactured in the United States.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include everything needed for head installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit contains the head bolts and associated hardware supplied by ARP; verify your engine's torque specs and any additional sealing parts separately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55171029729623,"sku":"B077YDZ1XB","price":178.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-head-bolt-kit-packaging.jpg?v=1790436953"},{"product_id":"arp-head-bolt-kit-134-3609-high-strength-alloy-cylinder-head-bolts-for-reliable-clamping","title":"ARP Head Bolt Kit 134-3609 — High-Strength Alloy Cylinder Head Bolts for Reliable Clamping","description":"\u003cp\u003e\u003cstrong\u003eThe ARP 134-3609 Head Bolt Kit is a high-strength engine bolt set engineered to deliver consistent clamping force and long-term durability for cylinder head installations.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and manufactured by ARP, a leader in performance fasteners, this kit supplies the critical bolts needed for securing a cylinder head to the engine block. ARP fasteners are used across motorsports and aftermarket engine builds because they combine precise manufacturing tolerances with materials and heat treatments that resist stretch and fatigue under load.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes the ARP 134-3609 Head Bolt Kit stronger than standard bolts?\u003c\/h3\u003e\n\u003cp\u003eThese bolts are produced to ARP's exacting standards using high-grade alloy and controlled heat treatment so they maintain tensile strength and resist permanent elongation. The result is more reliable clamping pressure across engine thermal cycles and high-RPM operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-strength alloy construction for improved tensile properties\u003c\/li\u003e\n  \u003cli\u003eFactory-controlled heat treatment to minimize stretch\u003c\/li\u003e\n  \u003cli\u003ePrecision threads and shank diameter for consistent clamp load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these bolts simplify head installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eARP head bolts are dimensionally accurate and designed for repeatable torque and stretch measurements, which helps mechanics achieve the correct preload every time. That consistency reduces the risk of head gasket failure and makes subsequent maintenance more predictable.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUniform thread engagement for repeatable torque readings\u003c\/li\u003e\n  \u003cli\u003eReduced bolt-to-bolt variation simplifies installation procedure\u003c\/li\u003e\n  \u003cli\u003eWorks with standard torque or torque-to-yield installation methods depending on application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit fit my engine and racing or street use?\u003c\/h3\u003e\n\u003cp\u003eThe ARP 134-3609 part number corresponds to specific engine families and should be matched to your engine application. ARP offers thousands of part numbers covering OEM replacements and specialty fasteners for street, offroad, powersports, and professional racing platforms.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck engine compatibility against ARP's catalog or your vehicle build notes\u003c\/li\u003e\n  \u003cli\u003eSuitable for high-performance street engines and motorsport applications\u003c\/li\u003e\n  \u003cli\u003eUsed widely in racing series where reliable clamping is critical\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect from the kit's packaging and included parts?\u003c\/h3\u003e\n\u003cp\u003eARP kits are shipped with clearly labeled components and documentation that outlines torque or stretch guidelines when available. The packaging protects each fastener to prevent damage in transit and helps keep the hardware organized during assembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIndividually protected bolts packaged with identification\u003c\/li\u003e\n  \u003cli\u003eIncluded instructions or reference to ARP installation procedures\u003c\/li\u003e\n  \u003cli\u003eQuality assurance markings to verify authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The ARP 134-3609 Head Bolt Kit is intended for mechanics, engine builders, and enthusiasts who require dependable, high-strength fasteners for cylinder head installations. Whether you're assembling a high-performance street engine, an offroad powerplant, or a race motor, this kit provides the precision hardware that helps ensure consistent clamp loads and long-term durability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eFeatures:\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGet the best with ARP\u003c\/li\u003e\n  \u003cli\u003eWhen you want strong, go with ARP\u003c\/li\u003e\n  \u003cli\u003ePrecision products for street, offroad, and Powersports applications\u003c\/li\u003e\n\u003c\/ul\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 ARP head bolts reusable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Many ARP bolts are reusable if not torque-to-yield; follow ARP's installation guidance to determine reuse eligibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm this kit fits my engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Verify the ARP part number against the engine application chart or contact ARP with your engine details for confirmation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55171084222807,"sku":"B001T6HCT6","price":244.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-134-3609-head-bolt-kit-packaging.jpg?v=1790437837"},{"product_id":"arp-duramax-dampener-bolt-for-gm-engines-129-2503-us-made-high-strength-replacement","title":"ARP Duramax Dampener Bolt for GM engines — 129-2503 US-Made high-strength replacement","description":"\u003cp\u003e\u003cstrong\u003eARP 129-2503 is a purpose-made high-strength dampener bolt engineered to replace the factory fastener on GM Duramax engines, improving clamp reliability under heavy loads.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis premium ARP bolt is part of a broad family of engine and driveline fasteners developed for demanding applications, from everyday OEM replacement needs to motorsport environments. The 129-2503 dampener bolt is manufactured in the United States to ARP's exacting specifications and is intended for users who require a durable, precision fastener where proper tension and long-term reliability matter.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose this dampener bolt over the original equipment part?\u003c\/h3\u003e\n\u003cp\u003eThe ARP dampener bolt is designed for superior material strength and consistent preload compared with many stock bolts. That means reduced risk of stretch, improved vibration resistance, and a longer lifespan in tough operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstructed to ARP's high-strength standards for engine fasteners.\u003c\/li\u003e\n  \u003cli\u003eEngineered to maintain clamping force under thermal cycling and vibration.\u003c\/li\u003e\n  \u003cli\u003eUS-made with quality control for repeatable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this bolt help during heavy towing or high-load use?\u003c\/h3\u003e\n\u003cp\u003eWhen a Duramax is used for towing or heavy loads, fasteners see more stress. A higher-grade bolt reduces the chance of fatigue or loosening, helping the accessory or dampener it secures remain properly aligned and functional.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves clamp retention during continuous high-torque conditions.\u003c\/li\u003e\n  \u003cli\u003eReduces potential for bolt elongation and failure over time.\u003c\/li\u003e\n  \u003cli\u003eSupports consistent maintenance intervals by offering predictable service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications and fitment details I should know?\u003c\/h3\u003e\n\u003cp\u003eThis bolt is sized and specified to match GM Duramax dampener mounting requirements; it’s intended as a direct-replacement fastener where the ARP part number is listed. Packaging and labeling include dimensions and country of origin for easy verification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage dimensions approximately 2.5 cm x 13.7 cm x 24.1 cm for shipping reference.\u003c\/li\u003e\n  \u003cli\u003eProduct type: automotive engine fastener for Duramax applications.\u003c\/li\u003e\n  \u003cli\u003eMade in the United States and packaged at roughly 0.53 lbs weight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain an ARP dampener bolt?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard torque and assembly practices for engine fasteners. Use a calibrated torque wrench, follow any ARP or vehicle manufacturer torque specs, and inspect periodically for signs of wear or loosening.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClean threads and apply recommended lubricant or thread treatment if specified.\u003c\/li\u003e\n  \u003cli\u003eTighten to the torque values provided by ARP or the vehicle service manual in a controlled sequence.\u003c\/li\u003e\n  \u003cli\u003eCheck torque after initial break-in and during scheduled maintenance intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This ARP 129-2503 dampener bolt is intended for Duramax owners, technicians, and performance builders who want a robust, reliable replacement fastener. It suits anyone upgrading from stock hardware for improved longevity—especially vehicles used for towing, heavy-duty work, or performance tuning. If you need a precision-made bolt that holds consistent clamp force under stress and is manufactured under tight quality control, this ARP part is a direct-fit option to consider.\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 bolt a direct fit for GM Duramax engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ARP 129-2503 is specified as a direct-replacement dampener bolt for compatible GM Duramax applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Where is the bolt manufactured?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This ARP dampener bolt is made in the United States and packaged to ARP quality standards.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":55171229647191,"sku":"B01AGMV3IE","price":48.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/arp-dampener-bolt-front-packaging.jpg?v=1790440997"}],"url":"https:\/\/britishgarage.co.uk\/collections\/arp.oembed","provider":"British Garage","version":"1.0","type":"link"}