{"product_id":"gsc-p-d-toyota-3stge-21-4n-chrome-polished-intake-valve-34-6mm-head-1mm-set-8","title":"GSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - SET 8","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e2074-8\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC P-D Toyota 3S-GTE 21-4N Chrome Polished Intake Valve 34.6mm Head +1mm Stem Set of 8 1990-1999 Celica ST185 ST205 MR2 SW20\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eUpgrade your Toyota 3S-GTE engine with GSC Power-Division's precision intake valves designed for Celica GT-Four ST185\/ST205 and MR2 Turbo SW20 models from 1990 to 1999. This set of 8 valves features a 34.6mm head diameter and +1mm longer stem for improved airflow and valve train geometry. Experience reliable high-RPM performance with forged stainless steel construction that handles extreme boost levels.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged 21-4N Stainless Steel:\u003c\/strong\u003e High-strength material resists heat fatigue and maintains shape under high boost for consistent power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e34.6mm Oversized Head:\u003c\/strong\u003e Larger diameter increases intake airflow by up to 10% over stock for better cylinder filling and horsepower gains\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+1mm Longer Stem:\u003c\/strong\u003e Corrects valve train stack height in ported heads or aftermarket cams for precise timing and reduced wear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome Polished Stem:\u003c\/strong\u003e Mirror-like finish reduces guide friction improves sealing and extends valve life in turbo applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwirl Polished Head with Hard Knife Edge:\u003c\/strong\u003e Enhances flow efficiency minimizes shrouding and promotes smoother combustion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eValve lash specification 0.008-0.010 inch intake recommended for stock cams adjust for aftermarket profiles\u003c\/li\u003e\n\u003cli\u003eBreak in with light load for first 500 miles to seat valves properly\u003c\/li\u003e\n\u003cli\u003eShips in protective foam-lined box to prevent damage during transit\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\u003eInspect valve guides and seats for wear resurface if needed before install\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM or aftermarket retainers and springs no special hardware required\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\u003e1990-1993\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eCelica\u003c\/td\u003e\n\u003ctd\u003eGT-Four ST185 3S-GTE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994-1999\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eCelica\u003c\/td\u003e\n\u003ctd\u003eGT-Four ST205 3S-GTE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991-1999\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eMR2\u003c\/td\u003e\n\u003ctd\u003eTurbo SW20 3S-GTE\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\u003eProven in World Rally Championship and drag racing with championship-winning teams\u003c\/li\u003e\n\u003cli\u003eEngineered for turbocharged engines with real-world dyno testing\u003c\/li\u003e\n\u003cli\u003eMade in USA with tight tolerances for drop-in reliability\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 fit my ST205 Celica with a ported head?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes the +1mm stem length matches common ported 3S-GTE heads verify your stack height measurement before install\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What finish is on the stem and head?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Stems receive chrome polishing for low friction heads are swirl polished with a hard knife edge for optimal flow\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is there a warranty on these valves?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e GSC offers a one-year unlimited mileage warranty when installed by a certified professional\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 Standard ground shipping\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 Foam protected set in 8x6x2 inch box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.95 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":40341598765135,"sku":"GSC2074-8","price":165.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/Screenshot2024-06-04at1.38.45PM.png?v=1717522734","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-toyota-3stge-21-4n-chrome-polished-intake-valve-34-6mm-head-1mm-set-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}