{"product_id":"arp-chevrolet-lsa-8740-chromoly-12pt-head-bolt-kit","title":"ARP Chevrolet LSA 8740 Chromoly 12pt Head Bolt Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e134-3713\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 672036049249\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eARP Chevrolet LSA 8740 Chromoly 12pt Head Bolt Kit for 2009-2015 Cadillac CTS-V and 2012-2015 Chevrolet Camaro ZL1\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe ARP Chevrolet LSA 8740 Chromoly 12pt Head Bolt Kit replaces stock fasteners in supercharged 6.2L LSA engines. It fits 2009-2015 Cadillac CTS-V sedans and wagons plus 2012-2015 Chevrolet Camaro ZL1 models. This kit secures cylinder heads with high clamping loads to handle boost levels over 20 PSI in performance applications.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8740 Chromoly Steel:\u003c\/strong\u003e Forged alloy heat treated to 200,000 PSI tensile strength resists fatigue and stretching in high cylinder pressure environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-Point Heads:\u003c\/strong\u003e Precision machined for socket engagement that prevents cam-out during torquing and service\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Oxide Finish:\u003c\/strong\u003e Protects against rust corrosion and thread galling in engine oil exposure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete 20-Piece Kit:\u003c\/strong\u003e Includes 20 head bolts and hardened washers for both cylinder heads with exact LSA lengths\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Boost Design:\u003c\/strong\u003e Engineered for supercharged LS engines maintaining seal integrity at 800+ horsepower\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUse ARP Ultra-Torque or moly assembly lube on threads and under washer faces\u003c\/li\u003e\n\u003cli\u003eInspect head gasket flatness before installation ARP kit torque exceeds OEM specs\u003c\/li\u003e\n\u003cli\u003ePackaged in protective box for safe handling dimensions 12.75 x 8.25 x 1.5 inches\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\u003eTorque in sequence to ARP specs 50 ft-lbs initial then 90 degrees use new bolts only\u003c\/li\u003e\n\u003cli\u003eCompatible with multi-layer steel head gaskets for LSA heads and stock hardware locations\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\u003e2009-2015\u003c\/td\u003e\n\u003ctd\u003eCadillac\u003c\/td\u003e\n\u003ctd\u003eCTS\u003c\/td\u003e\n\u003ctd\u003eCTS-V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2015\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eZL1\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\u003eDecades of experience supplying fasteners to NHRA Top Fuel and Pro Stock teams\u003c\/li\u003e\n\u003cli\u003eEvery kit undergoes rigorous proof load testing for consistent performance\u003c\/li\u003e\n\u003cli\u003eUSA-made with tight tolerances for repeatable cylinder head clamping\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 Does this kit fit LS3 or LS9 engines?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e No this kit uses specific lengths and thread pitch for LSA supercharged heads only LS3 requires ARP 134-3601\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What makes 8740 chromoly different from other steels?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 8740 chromoly offers higher fatigue resistance and yield strength than 4340 used in some kits ideal for repeated boost cycles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e ARP provides warranty against defects in materials or workmanship when installed and torqued per instructions\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 Ground 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 Secure box 12.75 x 8.25 x 1.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.65 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":42034405933135,"sku":"ARP134-3713","price":152.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-chevrolet-lsa-8740-chromoly-12pt-head-bolt-kit-arp.jpg?v=1768370130","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-chevrolet-lsa-8740-chromoly-12pt-head-bolt-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}