{"product_id":"arp-bb-chevy-head-bolt-kit","title":"ARP Cylinder Head Bolt Kit for Chevrolet 396-402-427-454 Cast iron OEM","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e135-3601\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 672036002190\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eARP Cylinder Head Bolt Kit for Chevrolet 396-402-427-454 Cast Iron OEM Heads 1965-1996\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis ARP cylinder head bolt kit delivers precision fasteners for Chevrolet Big Block Mark IV engines with cast iron OEM heads. Designed for 1965-1996 Chevy 396, 402, 427 and 454 cubic inch applications including Corvette, Camaro, Chevelle, Impala and trucks. Each kit provides 180,000 PSI tensile strength for secure clamping under high combustion pressures and heat cycles.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8740 Chrome Moly Construction:\u003c\/strong\u003e Forged steel alloy rated at 180,000 PSI tensile strength, stronger than Grade 8 bolts for extreme durability in performance builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-Point Wrenching Heads:\u003c\/strong\u003e Reduced hex or 12-point design with wide flange allows retorquing cylinder heads without removing valvetrain components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Parallel Washers:\u003c\/strong\u003e 16 included washers ensure even load distribution and prevent galling on aluminum or cast iron surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Oxide Finish:\u003c\/strong\u003e Provides corrosion resistance and lubricity for easier installation and long-term protection in engine environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA Made Precision:\u003c\/strong\u003e Thread size 1\/2-13 x 4.400 inches, 16 bolts per kit, manufactured to exact OEM replacement specs for Big Block Chevy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIntended for cast iron Mark IV heads only, verify head bolt pattern before purchase.\u003c\/li\u003e\n\u003cli\u003eUse ARP Ultra-Torque lubricant or moly paste during installation for accurate torque readings.\u003c\/li\u003e\n\u003cli\u003eKits include complete hardware for one cylinder head pair replacement.\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: 110 ft-lbs for stock applications, check instructions for boosted setups.\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and aftermarket cast iron heads using 10 x 1\/2-13 bolts per side.\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\u003e1965-1982\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCorvette\u003c\/td\u003e\n\u003ctd\u003e396-454 Big Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1970, 1980-1981\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003e396-402 Big Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eChevelle\u003c\/td\u003e\n\u003ctd\u003e396-454 Big Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1966-1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eImpala\/Caprice\u003c\/td\u003e\n\u003ctd\u003e396-454 Big Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003e396-454 Big Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eNova\u003c\/td\u003e\n\u003ctd\u003e396 Big Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1966-1995\u003c\/td\u003e\n\u003ctd\u003eChevrolet\/GMC\u003c\/td\u003e\n\u003ctd\u003eC\/K Truck\u003c\/td\u003e\n\u003ctd\u003e396-427-454 Big Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMonte Carlo\u003c\/td\u003e\n\u003ctd\u003e402-454 Big Block\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\u003eARP fasteners power NHRA and NASCAR champions with proven reliability under race conditions.\u003c\/li\u003e\n\u003cli\u003eEvery bolt undergoes rigorous heat treatment and testing for consistent performance.\u003c\/li\u003e\n\u003cli\u003eEngineered in the USA with exact tolerances for seamless fit in high-horsepower Chevy builds.\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 Will this kit fit aluminum aftermarket heads on Big Block Chevy?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e No, ARP 135-3601 is designed specifically for cast iron OEM Mark IV heads. Use 134-3601 for rectangular port aluminum heads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the exact material and strength rating?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Made from 8740 chromoly steel with 180,000 PSI tensile strength and 150,000 PSI yield, exceeding Grade 8 by 15 percent.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does ARP provide torque specs or warranty?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Kits include detailed instructions with torque values. ARP offers limited lifetime warranty for street and mild competition use when installed correctly.\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 USPS Priority\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 ARP box measuring 1 x 6 x 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.85 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":43555498819663,"sku":"ARP135-3601","price":98.12,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-cylinder-head-bolt-kit-for-chevrolet-396-402-427-454-cast-iron-oem-arp.jpg?v=1768370184","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-bb-chevy-head-bolt-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}