{"product_id":"wiseco-subaru-ej257-wrx-sti-4v-dish-19cc-100mm-piston-shelf-stock-kit-1","title":"Wiseco Subaru EJ257 WRX\/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit","description":"\u003cp\u003eWiseco Subaru EJ257 WRX\/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit is the exact Wiseco piston sets - forged - 4cyl identified by manufacturer part number K598M100. Match the part number, engine family, bore, compression height, ring package, pin size, and application before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged 2618 Aluminum Alloy: High-tensile strength withstands extreme boost up to 40+ psi without failure.\u003c\/li\u003e\n\u003cli\u003e-19cc Dish Design: Precision-machined for 8.2:1 compression ratio in tuned setups, promoting detonation resistance.\u003c\/li\u003e\n\u003cli\u003eShelf Stock Ready: Includes premium moly rings, wrist pins, and circlips for immediate assembly and balanced operation.\u003c\/li\u003e\n\u003cli\u003eFits 2004-2021 Subaru Impreza WRX\/STI EJ257 2.5L Turbo (non-VAB EJ255 compatible with mods)\u003c\/li\u003e\n\u003cli\u003e100mm bore for +1mm overstock\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eVerified catalog applications: 2004-2012 Subaru Impreza. Confirm engine code, bore, compression height, cylinder count, and manufacturer exclusions for the exact vehicle before ordering.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e2004-2012\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eWiseco\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eK598M100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eWISK598M100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e193564447906\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003ePiston Sets - Forged - 4cyl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Type\u003c\/th\u003e\n\u003ctd\u003eVehicle Specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCatalog Status\u003c\/th\u003e\n\u003ctd\u003eManufacturer Verification Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new Wiseco piston sets - forged - 4cyl identified by manufacturer part number K598M100, plus only the hardware expressly supplied by Wiseco for this exact part number.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Wiseco\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWiseco engineers forged pistons, rings, pins, and precision engine-building components for street and motorsports applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated Wiseco Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/collections\/wiseco\"\u003eShop all Wiseco products\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/wiseco-02-06-acura-honda-k20-rsx-s-5cc-11-0-1-cr-piston-shelf-stock-kit\"\u003eWiseco 02-06 Acura\/Honda K20 RSX-S +5cc 11.0:1 CR Piston Shelf Stock Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/wiseco-02-06-acura-honda-k20-rsx-s-86-5mm-bore-020-oversize-11-0-1-cr-dome-dish-piston\"\u003eWiseco 02-06 Acura\/Honda K20\/RSX-S 86.5mm Bore .020 Oversize 11.0:1 CR Dome Dish Piston\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/wiseco-1400-hd-mitsu-evo-8-4g63-turbo-14cc-85-25mm-bore-8-5-cr-piston-shelf-stock-kit\"\u003eWiseco 1400 HD Mitsu EVO 8 - 4G63 Turbo -14cc 85.25mm Bore 8.5 CR Piston Shelf Stock Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill Wiseco K598M100 fit my vehicle?\u003c\/strong\u003e\u003cbr\u003eVerified catalog applications: 2004-2012 Subaru Impreza. Confirm engine code, bore, compression height, cylinder count, and manufacturer exclusions for the exact vehicle before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat should I verify before ordering?\u003c\/strong\u003e\u003cbr\u003eVerify the exact part number, engine code, bore, compression height, crown volume, compression ratio, ring package, pin diameter, cylinder count, and manufacturer exclusions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included?\u003c\/strong\u003e\u003cbr\u003eThe package contains only the Wiseco components and hardware specified for part number K598M100. Related service parts and tools are sold separately unless expressly listed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow Wiseco's current instructions for part number K598M100. Measure every cylinder and component, confirm all clearances and orientation, check ring end gaps, use the specified lubrication and fastener torque, and have machining or assembly completed by a qualified engine builder when required.\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":43938050342991,"sku":"WISK598M100","price":783.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/wiseco-k598m100-01.jpg?v=1765552211","url":"https:\/\/www.blackopsautoworks.com\/en-ca\/products\/wiseco-subaru-ej257-wrx-sti-4v-dish-19cc-100mm-piston-shelf-stock-kit-1","provider":"Black Ops Auto Works","version":"1.0","type":"link"}