{"product_id":"arp-bmc-a-series-main-stud-kit","title":"ARP BMC A Series Main Stud Kit","description":"\u003cp\u003eThis ARP performance fastener, stud, bolt, tool, or assembly is the BMC A Series Main Stud Kit. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThread, length, material, strength series, and included quantity are exact-part specific\u003c\/li\u003e\n\u003cli\u003eEngine, vehicle, component, and installation requirements must match the current ARP application\u003c\/li\u003e\n\u003cli\u003eThese 8740 chrome-moly studs deliver 190,000 psi tensile strength with black oxide finish for precise clamping force and alignment under high-RPM street race and rally loads.\u003c\/li\u003e\n\u003cli\u003ePrecision-ground and heat-treated with rolled threads this kit replaces factory bolts directly without block modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\u003ctd colspan=\"4\"\u003eUniversal or specification-matched application. Verify every dimension, interface, load or operating requirement, and listing note.\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eARP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e206-5401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eMain Stud \u0026amp; Bolt Kits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003ctd\u003eBMC A Series Main Stud Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e8740 Chrome-Moly Construction\u003c\/th\u003e\n\u003ctd\u003e190,000 psi tensile strength holds crankshaft securely during extreme high-RPM operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBlack Oxide Finish\u003c\/th\u003e\n\u003ctd\u003eRolled threads after heat treatment resist fatigue and protect against corrosion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Hardware\u003c\/th\u003e\n\u003ctd\u003eParallel-ground washers and 12-point nuts distribute load evenly across all five main caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBolt-In Fitment\u003c\/th\u003e\n\u003ctd\u003eDirect replacement for factory main bolts in stock or modified A-Series blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComplete Kit\u003c\/th\u003e\n\u003ctd\u003e10 studs 10 washers and 10 nuts cover full engine installation needs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ\u003c\/th\u003e\n\u003ctd\u003eFits 1275cc Cooper S? A: Yes fits all BMC A-Series engines 948cc to 1293cc including Cooper S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMethod\u003c\/th\u003e\n\u003ctd\u003eUPS or FedEx Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailability\u003c\/th\u003e\n\u003ctd\u003eIn stock - ships same or next business day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003eProtective retail box 8 x 6 x 1.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChrome-Moly Construction\u003c\/th\u003e\n\u003ctd\u003e190,000 psi tensile strength holds crankshaft securely during extreme high-RPM operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new ARP main stud \u0026amp; bolt kit in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout ARP\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAutomotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant Disclosures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eCalifornia Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eRelated Parts\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/collections\/arp-head-studs-and-fasteners\"\u003eShop all ARP products\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/arp-03-mazda-2-3l-dohc-16v-main-stud-kit\"\u003eARP 03 Mazda 2.3L DOHC 16V Main Stud Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/arp-03-06-mitsubishi-evo-main-stud-kit\"\u003eARP 03-06 Mitsubishi Evo Main Stud Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/arp-06-chevy-duramax-diesel-lbz-lmm-main-stud-kit\"\u003eARP 06+ Chevy Duramax Diesel LBZ\/LMM Main Stud Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm the BMC A Series Main Stud Kit fits my application?\u003c\/strong\u003e\u003cbr\u003eMatch the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I reuse the factory torque value with this ARP hardware?\u003c\/strong\u003e\u003cbr\u003eNot automatically. Use ARP's current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included with this ARP kit?\u003c\/strong\u003e\u003cbr\u003eOnly the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eConfirm ARP part number 206-5401, the complete application, and every required supporting component before beginning work.\u003c\/li\u003e\n\u003cli\u003eClean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.\u003c\/li\u003e\n\u003cli\u003eFollow ARP's current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.\u003c\/li\u003e\n\u003cli\u003eVerify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":43916946407503,"sku":"ARP206-5401","price":36.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-bmc-a-series-main-stud-kit-arp.jpg?v=1768371088","url":"https:\/\/www.blackopsautoworks.com\/en-ca\/products\/arp-bmc-a-series-main-stud-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}