{"product_id":"gsc-p-d-nissan-tb48de-23-8n-chrome-polished-exhaust-valve-33-50mm-head-std-set-12","title":"GSC P-D Nissan TB48DE 23-8N Chrome Polished Exhaust Valve - 33.50mm Head (STD) - SET 12 (2081-12)","description":"\u003cp\u003eIn our relentless pursuit of excellence, we birthed a revolutionary valve line, the epitome of performance and durability in the aftermarket. Armed with state-of-the-art 3D design and simulation software, we crafted an unparalleled, robust valve head that ensures superior flow. Prototype valve heads undergo meticulous flow testing, solidifying our market-leading position. With cutting-edge materials, our valves boast minimal face distortion, guaranteeing airtight sealing under the harshest conditions and unwavering performance throughout their lifespan. Embrace the future of sport compact performance valves with GSC Power-Division, the new industry standard that will stand the test of time.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAPPLICATIONS\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eNissan TB48DE\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSwirl polished heads for smoother air flow over the valve\u003c\/li\u003e\n\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\n\u003cli\u003eValve stems are micro-polished 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\n\u003cli\u003eIntake valves are a modified 21-4n stainless and exhausts are a modified 23-8n stainless material for high heat capacity while maintaining longevity\u003c\/li\u003e\n\u003cli\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\/li\u003e\n\u003cli\u003eValve tip lengths - we have taken 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\/li\u003e\n\u003cli\u003eWe have also adjusted the keeper groove to properly balance intake and exhaust spring pressures to reduce the use of valve spring shims and maximize performance from our spring and retainer kits\u003c\/li\u003e\n\u003cli\u003eValves will work with an OEM keeper\/lock or, when available, our upgraded keeper\/lock. It is not mandatory, but it is suggested, that any valve lock not be reused on performance applications due to material grooving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"0\" border=\"1\" align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStem Diameter (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Length (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eHead Diameter (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e98.30\u003c\/td\u003e\n\u003ctd\u003e33.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":45198469464378,"sku":"gsc2081-12","price":276.11,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0025\/9709\/3420\/files\/Untitled-1-Recovered-Recovered-Recovered-Recovered-Recovered-Recovered-Recovered-Recovered-Recovered-Recovered-Recovered_ff11b1db-2cda-4b97-87b6-f1b2a5d32e8a.jpg?v=1689548399","url":"https:\/\/www.kamispeed.com\/products\/gsc-p-d-nissan-tb48de-23-8n-chrome-polished-exhaust-valve-33-50mm-head-std-set-12","provider":"KamiSpeed.com","version":"1.0","type":"link"}