{"product_id":"for-2004-2018-subaru-impreza-ej255-ej257-wrx-2-5l-crankshaft-main-rod-bearing","title":"For 2004-2018 Subaru Impreza EJ255 EJ257 WRX 2.5L Crankshaft \u0026 Main +Rod Bearing","description":"\u003ch2\u003eCrankshaft and Main and Rod Bearing Set for Subaru\u003c\/h2\u003e \u003cp\u003eThis engine rotating assembly kit includes a crankshaft and matching bearings to restore proper internal engine function for Subaru 2.5L EJ255 and EJ257 powerplants.\u003c\/p\u003e \u003ch4\u003eOverview\u003c\/h4\u003e \u003cp\u003eThis Crankshaft and Main and Rod Bearing set provides the essential components needed to rebuild the bottom end of a performance engine. The Crankshaft and Main and Rod Bearing kit is engineered for mechanics and engine builders requiring reliable replacement parts for 2.5L EJ series builds. This assembly ensures the Crankshaft and Main and Rod Bearing surfaces meet the clearances necessary for stable oil pressure and smooth rotation.\u003c\/p\u003e \u003ch4\u003eBuilt For Performance\u003c\/h4\u003e \u003cul\u003e \u003cli\u003ePrecision ground bearing surfaces to ensure consistent oil film thickness.\u003c\/li\u003e \u003cli\u003eHeat treated steel crankshaft construction for increased tensile strength.\u003c\/li\u003e \u003cli\u003eMicro finished journals to reduce friction and minimize heat buildup.\u003c\/li\u003e \u003cli\u003eHigh load capacity bearing material designed for turbocharged applications.\u003c\/li\u003e \u003cli\u003eDirect fit dimensions matching factory specifications for the EJ255 and EJ257 blocks.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eFits These Machines\u003c\/h4\u003e \u003cul\u003e \u003cli\u003efor Subaru Impreza WRX (2004 to 2014)\u003c\/li\u003e \u003cli\u003efor Subaru Impreza WRX STI (2004 to 2018)\u003c\/li\u003e \u003cli\u003efor Subaru EJ255 2.5L Turbo Engines\u003c\/li\u003e \u003cli\u003efor Subaru EJ257 2.5L Turbo Engines\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eComplete bottom end engine overhauls following internal mechanical failure.\u003c\/li\u003e \u003cli\u003eRoutine maintenance for high mileage performance vehicles to prevent rod knock.\u003c\/li\u003e \u003cli\u003eEngine builds where new rotating components are required to ensure long term reliability.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e \u003ctable\u003e \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 Liters\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Codes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEJ255, EJ257\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrankshaft, Main Bearings, Rod Bearings\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2004 to 2018\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch4\u003eGood To Know\u003c\/h4\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit require professional installation? \u003cstrong\u003eA:\u003c\/strong\u003e Engine bottom end assembly involves precise torque sequences and clearance measurements that typically require a trained technician. Specialized tools are necessary to verify that all components are seated correctly within the engine block.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are these bearings standard size or oversized? \u003cstrong\u003eA:\u003c\/strong\u003e This set includes standard size bearings designed to match the journals of the included crankshaft. Always verify oil clearances with precision measuring tools during the assembly process to ensure component longevity.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44780328517718,"sku":"ZZ2U01161","price":1710.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/12_b601b40b-19c3-4490-aa7e-91afa981306f.jpg?v=1779667400","url":"https:\/\/www.solidspare.com\/products\/for-2004-2018-subaru-impreza-ej255-ej257-wrx-2-5l-crankshaft-main-rod-bearing","provider":"Solid Spare","version":"1.0","type":"link"}