{"product_id":"gsc-p-d-toyota-3stge-23-8n-chrome-polished-exhaust-valve-30mm-head-1mm-set-8","title":"GSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 8","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e2073-8\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC P-D Toyota 3S-GTE 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 8 for 1990-1999 Celica \u0026amp; MR2 Turbo\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eGSC Power-Division exhaust valves deliver reliable performance for Toyota 3S-GTE engines in 1990-1999 Celica ST185\/ST205 Turbo 4WD and MR2 Turbo SW20 models. The 30mm head diameter provides 1mm over stock size to improve exhaust flow and engine breathing for noticeable power gains. Chrome polished stems ensure long-lasting durability under high heat and stress conditions.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30mm Head Diameter (+1mm):\u003c\/strong\u003e Boosts exhaust flow for better cylinder scavenging and increased horsepower output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome Polished Stem:\u003c\/strong\u003e Resists guide wear and extends valve life several times longer than stock finishes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece Forged Design:\u003c\/strong\u003e Delivers strength to handle high RPM and boost levels without failure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e101.23mm Overall Length:\u003c\/strong\u003e Matches 3S-GTE specs for drop-in compatibility after proper machining\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8mm Stem Diameter:\u003c\/strong\u003e Provides precise fit with stock guides and seals for reliable sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eValve seats require machining to accommodate +1mm oversized head diameter\u003c\/li\u003e\n\u003cli\u003eInspect valve springs and retainers during replacement for full valvetrain reliability\u003c\/li\u003e\n\u003cli\u003ePackaged in protective 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\u003eMachine valve seats to match 30mm head prior to installation\u003c\/li\u003e\n\u003cli\u003eCompatible with stock GSC recommended valve springs and titanium retainers\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\u003eST185 Turbo 4WD\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\u003eST205 Turbo 4WD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1999\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eMR2\u003c\/td\u003e\n\u003ctd\u003eSW20 Turbo\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 racing applications with thousands of race wins\u003c\/li\u003e\n\u003cli\u003eAdvanced heat-resistant materials built for turbocharged endurance\u003c\/li\u003e\n\u003cli\u003eMade to exact OEM tolerances with enhanced performance geometry\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 Do these fit all 3S-GTE engines in Celica and MR2 Turbo?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes they match 1990-1999 ST185\/ST205 Celica Turbo 4WD and SW20 MR2 Turbo 3S-GTE cylinder heads perfectly after seat machining\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What makes the chrome polished finish different?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Chrome polishing on the 8mm stem reduces friction dramatically lowers wear on guides and supports high boost longevity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime warranty against stem breakage when installed and maintained properly by certified engine builder\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\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 Protective box 6x4x2 inches\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":40341598732367,"sku":"GSC2073-8","price":169.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/Screenshot2024-06-04at1.38.14PM.png?v=1717522701","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-toyota-3stge-23-8n-chrome-polished-exhaust-valve-30mm-head-1mm-set-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}