{"product_id":"arp-nissan-vr38-ca625-head-stud-kit","title":"ARP Nissan VR38 CA625 Head Stud Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e202-4305\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 672036040413\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eARP Nissan VR38 CA625 Head Stud Kit 2009-2023 GT-R\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eARP Nissan VR38 CA625 Head Stud Kit replaces factory head bolts on 2009-2023 Nissan GT-R models equipped with the VR38DETT 3.8L V6 twin-turbo engine. This complete kit secures the cylinder heads with extreme clamping force to handle high boost pressures in tuned and racing applications. Engine builders rely on it for reliable sealing during aggressive power builds.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCA625+ Alloy Steel:\u003c\/strong\u003e Forged from proprietary ARP material with 260,000 psi tensile strength for repeated high-stress cycles without fatigue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRolled Threads:\u003c\/strong\u003e Increases thread strength by 130% over cut threads to resist stripping and maintain torque under boost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-Point Nuts:\u003c\/strong\u003e Zinc-plated steel nuts allow precise wrenching and higher torque values without rounding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Parallel Washers:\u003c\/strong\u003e Included washers distribute load evenly across the head gasket for uniform clamping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e 20 studs (10 per head), 20 washers, 20 nuts cover both cylinder heads fully.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTorque to ARP specifications using ARP Ultra-Torque lubricant for accurate results.\u003c\/li\u003e\n\u003cli\u003eInspect and clean block threads before installation to ensure proper seating.\u003c\/li\u003e\n\u003cli\u003eShips in ARP branded 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\u003eRun engine break-in oil after install and re-torque studs after 100 miles or first heat cycle.\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM head gaskets and ARP head gasket kits.\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\u003e2009-2010\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009-2014\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003ePremium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2014\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003eBlack Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003eTrack Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2016\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003ePremium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2023\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eGT-R\u003c\/td\u003e\n\u003ctd\u003eAll Submodels\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 wins in NHRA, NASCAR, and Formula Drift racing.\u003c\/li\u003e\n\u003cli\u003eCNC machined in the USA with exacting tolerances for every application.\u003c\/li\u003e\n\u003cli\u003eProven durability in 2,000+ horsepower GT-R builds worldwide.\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 2017+ Nissan GT-R models?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, ARP 202-4305 fits all 2009-2023 R35 Nissan GT-R with VR38DETT engines including NISMO variants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the studs made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e ARP CA625+ is a premium chromoly alloy steel heat-treated for 260,000 psi tensile and 220,000 psi yield strength.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty on this head stud kit?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e ARP provides a lifetime warranty against manufacturing defects when installed and maintained 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 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 Protective ARP box 12 x 8 x 2.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.95 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":43747672162383,"sku":"ARP202-4305","price":966.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-nissan-vr38-ca625-head-stud-kit-arp.jpg?v=1768371047","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-nissan-vr38-ca625-head-stud-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}