{"product_id":"gsc-standard-size-36mm-intake-valve-set-for-subaru-ej20-ej25-turbo","title":"GSC Standard Size 36mm Intake Valve Set for Subaru EJ20 \/ EJ25 Turbo","description":"\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003e Valve Features:\u003c\/b\u003e\n\u003cbr\u003e\n\u003cul\u003e \u003cli\u003e36mm Standard Size Intake Valves\u003c\/li\u003e \u003cli\u003eSwirl polished heads for smoother air flow over the valve \u003c\/li\u003e \u003cli\u003eBack cut to reduce valve weight for higher rpm, higher boost pressure and allow for more aggressive cam profiles without increasing valve spring seat pressures. \u003c\/li\u003e \u003cli\u003eValve stems are micropolished to allow for less oil retention on the stem which creates less drag on the stem to guide for a smoother motion. \u003c\/li\u003e \u003cli\u003eIntake valves are a modified 21-4n stainless steel\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"background-color: initial\"\u003eValve tips are either hardened or have a stelite wafer tip fused so that the tip is within 5 Rockwell C of the rocker or valve tappet for extended life and less wear \u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"background-color: initial\"\u003eValve tip lengths. GSC took extra time to adjust tip heights on the applications to require less tipping of the valve to maintain proper tip height for proper valve train geometry and to cut down on install times when setting valve lash. \u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"background-color: initial\"\u003eGSC also adjusted the Keeper grove to properly balance intake spring pressures to reduce the use of valve spring shims and maximize performance from spring and retainer kits. \u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"background-color: initial\"\u003eValves will work with an oem keeper\/lock or when available, GSC upgrade keeper\/lock. \u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"background-color: initial\"\u003e*It's not mandatory but it is suggested that any valve lock not be reused on performance applications do to material grooving. \u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":48062330831066,"sku":"GSC2012-8","price":165.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/apit3esiy__99010.1633558623.1280.1280.jpg?v=1781529721","url":"https:\/\/www.iagperformance.com\/products\/gsc-standard-size-36mm-intake-valve-set-for-subaru-ej20-ej25-turbo","provider":"IAG Performance","version":"1.0","type":"link"}