{"product_id":"hks-89-99-eagle-talon-tsi-4g63bt-1-2mm-stopper-head-gasket-86mm-bore-8-6-cr","title":"HKS 89-99 Eagle Talon TSI 4G63BT 1.2mm Stopper Head Gasket (86mm Bore\/8.6 CR)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e2301-RM006\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 4957266643099\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eHKS 89-99 Eagle Talon TSI 4G63BT 1.2mm Stopper Head Gasket (86mm Bore\/8.6 CR)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe HKS 1.2mm Stopper Head Gasket (2301-RM006) fits 1989-1999 Eagle Talon TSI models with the 4G63BT turbo engine. This gasket uses a 86mm bore design tuned for 8.6 compression ratio to handle high cylinder pressures in boosted applications. It delivers consistent sealing for reliable power gains in DSM performance setups.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStopper Ring Design:\u003c\/strong\u003e Solid stainless steel stopper surrounds the combustion chamber to resist head lift and seal extreme boost levels up to 40psi.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Layer Steel Build:\u003c\/strong\u003e Three-layer construction with durable stainless steel core offers reusability and long-term reliability in racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.2mm Thickness:\u003c\/strong\u003e Compressed height maintains exact 8.6 CR on stock pistons for balanced power and detonation resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e86mm Bore Sizing:\u003c\/strong\u003e Matches stock and light overbore 4G63 blocks for precise cylinder head alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrile Rubber Beads:\u003c\/strong\u003e Enhanced outer sealing prevents coolant and oil leaks under high heat cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm engine bore measures 86mm prior to installation.\u003c\/li\u003e\n\u003cli\u003ePair with ARP head studs for maximum clamping force.\u003c\/li\u003e\n\u003cli\u003eStore in dry conditions to preserve rubber sealing layers.\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 and block surfaces flat to 0.002 inches.\u003c\/li\u003e\n\u003cli\u003eTorque in three stages using M12 head bolt pattern sequence.\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\u003e1990-1994\u003c\/td\u003e\n\u003ctd\u003eEagle\u003c\/td\u003e\n\u003ctd\u003eTalon\u003c\/td\u003e\n\u003ctd\u003eTSi Turbo AWD\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 AWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1994\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eEclipse\u003c\/td\u003e\n\u003ctd\u003eGSX Turbo AWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1995-1999\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eEclipse\u003c\/td\u003e\n\u003ctd\u003eGSX Turbo AWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1999\u003c\/td\u003e\n\u003ctd\u003eEagle\u003c\/td\u003e\n\u003ctd\u003eTalon\u003c\/td\u003e\n\u003ctd\u003eTSi 4G63BT Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose HKS?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in Japanese motorsports since 1973.\u003c\/li\u003e\n\u003cli\u003eEngineered for turbocharged 4G63 platforms worldwide.\u003c\/li\u003e\n\u003cli\u003eFactory-direct tolerances ensure leak-free operation.\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 this gasket fit 2G Eclipse GSX models?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it installs directly on 1995-1999 Mitsubishi Eclipse GSX with 4G63T engines using 86mm bore.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials are used in construction?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Three-layer stainless steel core with stainless stopper ring and nitrile rubber for combustion sealing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does installation require head milling?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Resurface to OEM flatness specs. no milling needed if maintaining 8.6 CR with stock pistons.\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 or USPS Priority\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 Flat protective envelope 12in x 12in x 0.5in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.35 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43805362978895,"sku":"HKS2301-RM006","price":290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/hks-89-99-eagle-talon-tsi-4g63bt-1_2mm-stopper-head-gasket-86mm-bore8_6-cr-hks.jpg?v=1767419613","url":"https:\/\/www.blackopsautoworks.com\/products\/hks-89-99-eagle-talon-tsi-4g63bt-1-2mm-stopper-head-gasket-86mm-bore-8-6-cr","provider":"Black Ops Auto Works","version":"1.0","type":"link"}