{"product_id":"arp-subaru-wrx-ej20-ej25-head-stud-kit","title":"ARP Subaru WRX EJ20 \u0026 EJ25 Head Stud Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e260-4701\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 672036022822\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eARP Subaru WRX EJ20 \u0026amp; EJ25 Head Stud Kit 2002-2012 Impreza STI Legacy Forester\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eARP 260-4701 head stud kit upgrades Subaru EJ20 and EJ25 DOHC engines in WRX STI Impreza Forester XT Legacy GT Baja Turbo and Saab 9-2X models. Factory head bolts stretch under boost losing clamp load while ARP studs deliver even pressure across the head gasket for leak-free seals. Built for daily drivers pushing high horsepower on street track or strip.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine ARP Fasteners:\u003c\/strong\u003e High-strength ARP2000 alloy steel construction withstands 220,000 psi tensile strength for extreme cylinder pressures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStud Design:\u003c\/strong\u003e Eliminates thread wear in aluminum blocks and provides repeatable torque accuracy over multiple heat cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Rolled Threads:\u003c\/strong\u003e Increases thread engagement by 25 percent over cut threads for secure hold without galling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatched Hardware:\u003c\/strong\u003e Includes hardened parallel ground washers and lightweight 12-point nuts for precise fit and fast installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack Proven:\u003c\/strong\u003e Handles 40+ psi boost levels in turbocharged EJ builds without failure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUse ARP Ultra-Torque fastener lubricant on stud threads and nut faces for accurate torque readings\u003c\/li\u003e\n\u003cli\u003eRe-torque studs after 500 miles or first heat cycle per ARP guidelines\u003c\/li\u003e\n\u003cli\u003eShipping weight 2.25 lbs package dimensions 10.5 x 7.5 x 1.75 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\u003eClean cylinder block threads with ARP thread chaser before assembly\u003c\/li\u003e\n\u003cli\u003eTorque in ARP specified sequence to 65 ft-lbs plus 110 degree angle for EJ applications\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\u003e2005-2006\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e9-2X\u003c\/td\u003e\n\u003ctd\u003eAero\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2006\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eBaja\u003c\/td\u003e\n\u003ctd\u003eTurbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2008\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eForester\u003c\/td\u003e\n\u003ctd\u003eSports 2.5 XT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009-2010\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003e2.5 GT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2012\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009-2012\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX Premium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2007\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX TR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2012\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX STI Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010-2012\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX STI Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX STI Special Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010-2011\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eLegacy\u003c\/td\u003e\n\u003ctd\u003e2.5GT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2006\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eLegacy\u003c\/td\u003e\n\u003ctd\u003eGT\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\u003eFasteners trusted in NHRA Top Fuel and Pro Stock engines for decades\u003c\/li\u003e\n\u003cli\u003eCustom alloy formulas resist fatigue in 1000+ horsepower turbo setups\u003c\/li\u003e\n\u003cli\u003eLifetime warranty against breakage when torqued and installed correctly\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 fit 2004-2007 Subaru STI EJ255?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes ARP 260-4701 bolts directly into 2004-2012 Impreza WRX STI EJ25 turbo engines with no modifications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What alloy is used in these head studs?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e ARP2000 proprietary steel alloy rated at 220,000 psi tensile strength with rolled threads and black oxide finish for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is a torque sequence guide included?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Kit contains printed ARP instructions with exact torque specs lube recommendations and multi-stage tightening sequence for EJ heads\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 Original ARP box 10.5 x 7.5 x 1.75 inches protective foam inserts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":43739361443919,"sku":"ARP260-4701","price":303.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-subaru-wrx-ej20-ej25-head-stud-kit-arp.jpg?v=1768370843","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-subaru-wrx-ej20-ej25-head-stud-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}