{"product_id":"arp-m12-x-1-50-x-40-12pt-ss-bolts","title":"ARP M12 X 1.50 X 40 12pt SS Bolts","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e774-1004\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 672036041663\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eARP M12 x 1.50 x 40mm 12-Point Stainless Steel Bolts (774-1004)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eARP 774-1004 M12 x 1.50 x 40mm 12-point stainless steel bolts provide high clamping force and fatigue resistance for engine builds and chassis components in performance vehicles. These bolts fit universal M12 x 1.50 applications including cylinder head studs, main caps, connecting rod bolts, and suspension mounts where 40mm under-head length is required. Precision engineering ensures reliable preload under extreme heat and torque in turbo or supercharged setups.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Specs:\u003c\/strong\u003e M12 x 1.50 with 40mm under-head length and 30mm thread engagement for secure fit in engine and chassis holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-Point Head:\u003c\/strong\u003e Accepts 14mm socket with high torque grip to prevent cam-over and stripping during installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Construction:\u003c\/strong\u003e Stainless steel exterior over 8740 chrome moly core delivers 200,000 PSI tensile strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e Stainless finish resists rust in harsh motorsport conditions up to 1,000°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 5 bolts per pack allows complete kits for rods, mains, or heads with consistent quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUse ARP thread lube for maximum holding power and to prevent galling\u003c\/li\u003e\n\u003cli\u003eTorque to ARP published specs for your specific engine or chassis application\u003c\/li\u003e\n\u003cli\u003eShips in protective retail packaging for damage-free delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eClean all threads thoroughly before applying ARP thread lube\u003c\/li\u003e\n\u003cli\u003eRe-torque fasteners after initial 100 miles or heat cycles for best retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1980-2024\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003ePerformance Engines\u003c\/td\u003e\n\u003ctd\u003eCylinder Heads \/ Main Caps \/ Rod Bolts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1980-2024\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003eChassis \/ Suspension\u003c\/td\u003e\n\u003ctd\u003eUniversal M12x1.50 Mounts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose ARP?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e50+ years developing fasteners for professional racing teams\u003c\/li\u003e\n\u003cli\u003e200,000+ PSI tensile strength exceeds OEM hardware limits\u003c\/li\u003e\n\u003cli\u003eUsed in NHRA, NASCAR, and Formula 1 high-stress assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What socket fits the head?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 14mm socket for the 12-point design to deliver full torque without rounding\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Why stainless steel over black oxide?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Stainless provides extended corrosion resistance in wet or salty track environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How many bolts for a typical engine?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 10-16 for mains and rods, 8-12 for cylinder heads depending on design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS or FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective retail box, 4 x 3 x 1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":43844329504847,"sku":"ARP774-1004","price":33.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-m12-x-1_50-x-40-12pt-ss-bolts-arp.png?v=1768371084","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-m12-x-1-50-x-40-12pt-ss-bolts","provider":"Black Ops Auto Works","version":"1.0","type":"link"}