{"product_id":"383-small-block-bare-engine-block","title":"383 Small-Block Bare Engine Block","description":"The Chevrolet Performance 19433406 is a 1986-later style 383 bare engine block, ideal for building a custom small-block performance or stock replacement engine. It is engineered to support a maximum of 450 horsepower, making it suitable for street machines and mild-to-moderate builds.\n\nConstructed from cast iron, this block features a robust 4-bolt main design and a 1-piece rear main seal. The lifter valleys are machined to accommodate both hydraulic roller and flat tappet valvetrains. It is clearanced for a 3.800\" stroker crankshaft and features non-siamesed bores that promote better cylinder-to-cylinder cooling. The cylinder walls are designed with a production-spec thickness, and the block is torque plate-honed for enhanced ring seal and compression.\n\nKey specifications include a standard deck height of 9.025\", a bore range of 4.000\" to 4.030\", and a gray iron cap material. The engine block has a wet sump oiling system and a straight main bolt degree. It weighs 181 pounds.\n\nThis engine block is intended for use ONLY on pre-pollution controlled vehicles, specifically 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.","brand":"Chevrolet","offers":[{"title":"Default Title","offer_id":52687361933624,"sku":"19433406","price":3015.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660684553.jpg?v=1784883261","url":"https:\/\/store.motormia.co\/products\/383-small-block-bare-engine-block","provider":"MOTORMIA","version":"1.0","type":"link"}