{"product_id":"arp-1-4-20-x-0-515-12pt-black-oxide-bolts","title":"ARP 1\/4-20 x 0.515 12pt Black Oxide Bolts","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e640-0515\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 672036016852\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eARP 1\/4-20 x 0.515 12pt Black Oxide Bolts for 1955+ Chevy Small Block Ford V8 Engines\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eARP 1\/4-20 x 0.515 12pt Black Oxide Bolts secure valve covers intakes brackets and hardware on 1955-current Chevrolet Small Block V8s and 1962-1997 Ford Small Block V8s. These 200000 PSI fasteners deliver reliable clamping force under high heat vibration and loads in performance engines. Engine builders choose them for consistent torque retention and fatigue resistance in demanding applications.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-Point Head:\u003c\/strong\u003e Distributes torque evenly to prevent cam-out stripping and galling during installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Oxide Finish:\u003c\/strong\u003e Provides corrosion resistance in harsh oily wet engine environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Tensile Strength:\u003c\/strong\u003e 200000 PSI rating withstands extreme pressures and repeated stress cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRolled Threads:\u003c\/strong\u003e Increases fatigue strength and shear resistance compared to cut threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Dimensions:\u003c\/strong\u003e 1\/4-20 thread pitch with 0.515-inch length under head for flush secure fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold as individual bolts for custom builds or replacements\u003c\/li\u003e\n\u003cli\u003eInspect hole depth and thread engagement before use\u003c\/li\u003e\n\u003cli\u003eShips in anti-static protective packaging\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 to 18-25 ft-lbs dry or use ARP Ultra-Torque lubricant for accurate results\u003c\/li\u003e\n\u003cli\u003eCompatible with steel aluminum tapped holes in OEM or aftermarket parts\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\u003e1955-2000\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSmall Block V8 Engines\u003c\/td\u003e\n\u003ctd\u003e262-400 cid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-2002\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eV8\u003c\/td\u003e\n\u003c\/tr\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\u003eSmall Block V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1962-1997\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eSmall Block V8 Engines\u003c\/td\u003e\n\u003ctd\u003e260-351 Windsor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1973\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eV8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1981\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-100 F-150\u003c\/td\u003e\n\u003ctd\u003eSmall Block V8\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\u003eTrusted by NHRA Top Fuel teams and millions of engine builds\u003c\/li\u003e\n\u003cli\u003eForged from 8740 chrome-moly steel with exact heat treatment\u003c\/li\u003e\n\u003cli\u003eEvery bolt tested for dimensional accuracy and load capacity\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 performance engines use these 1\/4-20 x 0.515 bolts?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Common in Chevy Small Block and Ford Windsor V8s for valve cover perimeter bolts intake hold-downs and bracket mounts. Always measure your application.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material and finish do ARP 640-0515 bolts have?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 8740 alloy steel construction with black oxide coating rated at 200000 PSI tensile strength and Rc 33-39 hardness.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty covers these ARP bolts?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e ARP provides warranty against defects in materials and workmanship when installed and used 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 USPS First Class or UPS 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 poly bag in 4 x 3 x 1 inch box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.02 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":43758947565647,"sku":"ARP640-0515","price":9.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-14-20-x-0_515-12pt-black-oxide-bolts-arp.jpg?v=1767415367","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-1-4-20-x-0-515-12pt-black-oxide-bolts","provider":"Black Ops Auto Works","version":"1.0","type":"link"}