{"product_id":"383-bare-engine-block","title":"383 Bare Engine Block","description":"The Chevrolet Performance 1986-Later Style 383 Bare Engine Block is a production-based component designed to provide strength and accuracy for engine builds. It features four-bolt main caps for enhanced durability and a 1-piece rear main seal. This block is ideal for street machines and mild-to-moderate performance builds, supporting a maximum of 450 horsepower.\n\nConstructed from cast iron, this bare block is torque plate-honed for superior ring seal and compression. The lifter valleys are machined to accommodate either hydraulic roller or flat tappet valvetrains, and it is clearanced for a 3.800\" stroker crankshaft. The cylinder walls maintain a production-spec thickness, and the non-siamesed bores promote effective cylinder-to-cylinder cooling. Key specifications include a 9.025\" deck height, a bore range of 4.000\" to 4.030\", and a wet sump oiling system.\n\nThis engine block is specifically noted for use on pre-pollution controlled vehicles, defined as 1965 and older U.S. manufactured California certified vehicles, and 1967 and older U.S. manufactured federally certified vehicles. It is designed for pre-1976 street vehicles and off-road applications. Vehicle fitment includes C\/K models from 1988-1998 and C10 models from 1960-1987.","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":52687375040824,"sku":"19433406","price":3015.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687892850.jpg?v=1784883427","url":"https:\/\/store.motormia.co\/products\/383-bare-engine-block","provider":"MOTORMIA","version":"1.0","type":"link"}