{"product_id":"arp-bmc-b-series-head-stud-kit","title":"ARP Cylinder Head Studs for BMC B Series 12-pt Nuts","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e206-4202\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 672036007973\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eARP Cylinder Head Studs for BMC B Series 12-pt Nuts - Fits 1955-1980 MG MGA \u0026amp; MGB\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eARP 206-4202 cylinder head stud kit equips BMC B-Series engines in classic MG MGA and MGB models from 1955 to 1980 with high-strength fasteners and 12-point nuts. These studs lock cylinder heads in place with consistent clamping force to resist gasket blowouts during high-rpm operation. Precision engineering allows heads and gaskets to seat perfectly without binding.\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 Heat-treated to 190,000 PSI tensile strength for extreme durability under boost or high compression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenterless Ground:\u003c\/strong\u003e Ensures perfect concentricity and straightness so cylinder heads align effortlessly every time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost-Heat-Treat Thread Rolling:\u003c\/strong\u003e Boosts fatigue strength by 2000% over pre-heat-treat threading for long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Oxide Finish:\u003c\/strong\u003e Provides corrosion resistance and smooth installation in engine bays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes 12-Point Nuts:\u003c\/strong\u003e Delivers secure, high-torque fastening specific to BMC B-Series heads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eKit contains complete set of studs and nuts for one cylinder head installation.\u003c\/li\u003e\n\u003cli\u003eUse ARP thread cleaner and lube for best results.\u003c\/li\u003e\n\u003cli\u003eShips in protective packaging to prevent damage.\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 blind holes and threads meticulously before assembly.\u003c\/li\u003e\n\u003cli\u003eTorque studs in sequence to 55-65 ft-lbs using ARP specs. retorque after heat cycles.\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\u003e1955-1957\u003c\/td\u003e\n\u003ctd\u003eMG\u003c\/td\u003e\n\u003ctd\u003eMGA\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1958-1960\u003c\/td\u003e\n\u003ctd\u003eMG\u003c\/td\u003e\n\u003ctd\u003eMGA\u003c\/td\u003e\n\u003ctd\u003e1600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1961-1962\u003c\/td\u003e\n\u003ctd\u003eMG\u003c\/td\u003e\n\u003ctd\u003eMGA\u003c\/td\u003e\n\u003ctd\u003e1600 MKII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1962-1980\u003c\/td\u003e\n\u003ctd\u003eMG\u003c\/td\u003e\n\u003ctd\u003eMGB\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1980\u003c\/td\u003e\n\u003ctd\u003eMG\u003c\/td\u003e\n\u003ctd\u003eMGB GT\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1956-1959\u003c\/td\u003e\n\u003ctd\u003eAustin-Healey\u003c\/td\u003e\n\u003ctd\u003e100-6\u003c\/td\u003e\n\u003ctd\u003eBN4\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\u003eChoice of professional engine builders for competition engines.\u003c\/li\u003e\n\u003cli\u003eVertical rack heat-treatment penetrates fully for uniform strength.\u003c\/li\u003e\n\u003cli\u003eExact tolerances match OEM patterns while exceeding strength limits.\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 my MG MGB engine?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, designed for all BMC B-Series 1.5L, 1.6L, 1.8L, and 2.6L variants in 1955-1980 MGA, MGB, MGB GT, and Austin-Healey 100-6.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the material and strength rating?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Forged 8740 Chrome Moly alloy heat-treated to 190,000 PSI tensile strength with black oxide finish.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does ARP offer a warranty?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime warranty against manufacturing defects when installed per ARP 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 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 Compact box 7.75 x 5.5 x 1.6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.9 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":43555503013967,"sku":"ARP206-4202","price":115.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-cylinder-head-studs-for-bmc-b-series-12-pt-nuts-arp.jpg?v=1768370308","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-bmc-b-series-head-stud-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}