{"product_id":"gsc-p-d-subaru-ej257-w-dual-avcs-s1-cams-266-264-billet","title":"GSC P-D Subaru EJ257 w\/Dual AVCS S1 Cams 266\/264 Billet","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e7026S1\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC Power-Division S1 Billet Camshafts 2008-2021 Subaru WRX STI EJ257 w\/ Dual AVCS 266\/264\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe GSC 7026S1 is the number one selling street performance billet camshaft set for Dual AVCS EJ257 engines in 2008-2021 WRX STI. These cams deliver 266° intake and 264° exhaust duration with 10.20mm intake and 9.85mm exhaust lift for crisp throttle response, strong mid-range power, and 30-50 whp gains with supporting modifications. Precision-ground from billet chromoly, they provide quick turbo spool and a broad powerband for daily driving and track use.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet Chromoly Construction:\u003c\/strong\u003e CNC-ground from solid bar stock for maximum strength, durability, and exact tolerances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS1 Street\/Strip Profile:\u003c\/strong\u003e Designed for fast spool-up, wide power delivery, and smooth drivability on street or track\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Lift and Duration:\u003c\/strong\u003e 10.20mm intake and 9.85mm exhaust lift with 266°\/264° @ 0.050\" for improved airflow and valve timing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Gains:\u003c\/strong\u003e Adds 30-50 whp with tune, exhaust, and intake mods while maintaining reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA Made:\u003c\/strong\u003e Engineered and manufactured in the USA with limited lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2008-2021 Subaru WRX STI with Dual AVCS EJ257 engines only, not compatible with single AVCS or EJ255\u003c\/li\u003e\n\u003cli\u003eValve spring upgrade recommended for RPM over 7500, works with stock springs at lower revs\u003c\/li\u003e\n\u003cli\u003ePart number 7026S1, core not required\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\u003eInstallation time 8-12 hours, requires full timing belt service and degreeing\u003c\/li\u003e\n\u003cli\u003eECU tune required for proper AVCS mapping and performance\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\u003e2008-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003eSTI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose GSC Power-Division?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIndustry leader in high-performance Subaru valve train components\u003c\/li\u003e\n\u003cli\u003eUsed by top time attack, drag, and rally teams worldwide\u003c\/li\u003e\n\u003cli\u003ePrecision engineered and manufactured in the USA\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 these cams fit 2008-2021 WRX STI EJ257?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, designed exclusively for Dual AVCS EJ257 in USDM 2008-2021 WRX STI, not EJ255 or single AVCS.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the camshafts?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Billet chromoly, CNC-ground from solid bar for strength and precision lobe profiles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and install needs?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited lifetime warranty. Pro install, timing belt service, and ECU tune required.\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\/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 Official GSC Power-Division retail box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 12 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":43922990202959,"sku":"GSC7026S1","price":1058.68,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/GSC7026S1_01.jpg?v=1765033171","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-subaru-ej257-w-dual-avcs-s1-cams-266-264-billet","provider":"Black Ops Auto Works","version":"1.0","type":"link"}