{"product_id":"supertech-mitsubishi-4g63-4g63t-inconel-exhaust-valve-1mm-oversize-set-of-8","title":"Supertech Mitsubishi 4G63\/4G63T Inconel Exhaust Valve - +1mm Oversize - Set of 8","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eMEVI-1008-8\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 01037721244793\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eSupertech Mitsubishi 4G63\/4G63T Inconel Exhaust Valve - +1mm Oversize - Set of 8 (1983-1999 Eclipse Talon Laser Galant Starion)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eSupertech Inconel exhaust valves +1mm oversize deliver a complete set of 8 for Mitsubishi 4G63\/4G63T engines in Eclipse GSX GST Talon TSi Laser Galant VR4 and Starion models. These valves manage high boost levels and extreme exhaust temperatures in turbocharged performance builds. Engine builders rely on them for dependable operation and better airflow in demanding applications.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInconel 751 Material:\u003c\/strong\u003e Nickel-chromium alloy withstands 1525°F exhaust temperatures resists fatigue and corrosion in turbocharged engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+1mm Oversize 32.4mm Head Diameter:\u003c\/strong\u003e Increases exhaust flow for more power at high RPM when paired with matching seats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwirl Polished Head:\u003c\/strong\u003e Improves flow efficiency cuts turbulence and aids cylinder scavenging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7mm Stem 110.25mm Length:\u003c\/strong\u003e Provides strength and reduced weight for accurate valve train operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece Forged Design:\u003c\/strong\u003e CNC machined for precise fit and greater durability compared to stock cast valves\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for high performance turbocharged 4G63\/4G63T engine rebuilds\u003c\/li\u003e\n\u003cli\u003ePair with Supertech dual valve springs for optimal performance\u003c\/li\u003e\n\u003cli\u003ePackaged in protective case inside sturdy box measuring 6 x 4 x 2 inches\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 cylinder head for +1mm oversize valve seats and guides\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM or ported 4G63\/4G63T heads 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\u003e1990-1999\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eEclipse\u003c\/td\u003e\n\u003ctd\u003eGS-T GSX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1992\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eGalant\u003c\/td\u003e\n\u003ctd\u003eVR-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1983-1989\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eStarion\u003c\/td\u003e\n\u003ctd\u003eESI-R Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1994\u003c\/td\u003e\n\u003ctd\u003eEagle\u003c\/td\u003e\n\u003ctd\u003eTalon\u003c\/td\u003e\n\u003ctd\u003eTSi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1994\u003c\/td\u003e\n\u003ctd\u003ePlymouth\u003c\/td\u003e\n\u003ctd\u003eLaser\u003c\/td\u003e\n\u003ctd\u003eRS Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Supertech?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eValves tested in World Challenge drag racing and endurance events\u003c\/li\u003e\n\u003cli\u003eAerospace grade materials with strict quality control\u003c\/li\u003e\n\u003cli\u003ePrecision engineering ensures exact fit and extended service life\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 2G Eclipse GSX 4G63T?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes fits all 1990-1999 Mitsubishi Eclipse GS-T GSX 1990-1994 Talon TSi Laser RS and Galant VR-4 Starion with 4G63\/4G63T DOHC engines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Why Inconel over stainless steel?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Inconel 751 delivers better high temperature strength corrosion resistance and fatigue life for boost levels over 30psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Supertech offers 1 year warranty for street use lifetime for racing against manufacturing defects\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 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 case inside sturdy box 6 x 4 x 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.9 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":43536222191695,"sku":"SPTMEVI-1008-8","price":313.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/supertech-mitsubishi-4g634g63t-inconel-exhaust-valve-1mm-oversize-set-of-8-supertech.png?v=1769190263","url":"https:\/\/www.blackopsautoworks.com\/products\/supertech-mitsubishi-4g63-4g63t-inconel-exhaust-valve-1mm-oversize-set-of-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}