{"product_id":"gsc-p-d-subaru-ej255-ej257-usdm-w-intake-avcs-s1-cams-268-266-billet","title":"GSC P-D Subaru EJ255\/EJ257 (USDM) w\/Intake AVCS S1 Cams 268\/266 Billet","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e7025S1\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 617626702517\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC Power-Division S1 Billet Cams 268\/266 – Subaru WRX EJ255 \u0026amp; STI EJ257 w\/ Intake AVCS (USDM)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe GSC 7025S1 delivers the top-selling street and track camshaft choice for 2004-2021 WRX EJ255 and STI EJ257 engines with intake-only AVCS in USDM models. Precision-ground from new high-nickel billet cores these 268° intake and 266° exhaust cams produce 30-55 whp gains on built motors. They ensure stable idle and daily drivability while supporting 400-700 whp setups.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e268° Intake \/ 266° Exhaust Duration @ 0.050\":\u003c\/strong\u003e Balances power across RPM range for street track use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10.80 mm \/ 10.20 mm Lift:\u003c\/strong\u003e Clears stock or +1 mm valves safely with proper setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% New Billet Cores:\u003c\/strong\u003e Fresh USA-ground cores eliminate regrind risks no core charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for 400–700 whp Builds:\u003c\/strong\u003e Matches E85 big turbo and strengthened bottom ends perfectly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Lifetime warranty covers manufacturing defects fully\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFits all USDM EJ255 2004-2014 WRX and EJ257 2004-2021 STI with intake-only AVCS\u003c\/li\u003e\n\u003cli\u003eWill NOT fit dual AVCS heads on 2008+ STI models\u003c\/li\u003e\n\u003cli\u003eValve spring upgrade required GSC 5041 beehive springs recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation and degreeing required\u003c\/li\u003e\n\u003cli\u003eGSC beehive springs and titanium retainers recommended\u003c\/li\u003e\n\u003cli\u003eTune required after camshaft installation\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\u003e2004-2014\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza WRX\u003c\/td\u003e\n\u003ctd\u003eEJ255 Intake AVCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003ctd\u003eEJ257 Intake AVCS only\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\u003eOfficial cam supplier to multiple 1000+ hp record-holding EJ builds\u003c\/li\u003e\n\u003cli\u003eEvery cam ground from new USA-made billet cores\u003c\/li\u003e\n\u003cli\u003eUsed by more championship-winning Subarus than any other brand\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 work on my 2008–2021 STI with Dual AVCS?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e No use GSC 7025S2 or 7025S3 for Dual AVCS heads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need a valve spring upgrade?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes GSC 5041 beehive kit is the perfect match.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Safe on stock valves?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes clears stock and +1 mm valves with proper machining.\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 box with foam protection approx. 26\" x 7\" x 7\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 11 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":43919503032399,"sku":"GSC7025S1","price":999.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/b4dbafb1-f94a-48c0-916e-75a2257a9900-800_652c85e4-9c26-4e44-9c6a-ccd948a93db5.jpg?v=1764864483","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-subaru-ej255-ej257-usdm-w-intake-avcs-s1-cams-268-266-billet","provider":"Black Ops Auto Works","version":"1.0","type":"link"}