Chevrolet Performance 1986-Later Style 383 Bare Engine Block w/ 1-Piece Rear Main Seal
Highlights
- Great for Street Machines
- Supports Max of 450 HP
- Non-Siamesed Bores
- Torque Plate-Honed
Chevrolet Performance 1986-Later Style 383 Bare Engine Block with a 1-Piece Rear Main Seal.
Build the perfect small-block performance or stock replacement engine via Chevrolet Performance! Their 383 journal engine block is a great choice, made in a 1986-later style that supports up to 450 horsepower. Because the cylinder walls have a production-spec thickness, they're great for mild-to-moderate builds. You can use it with either a hydraulic roller or flat tappet valvetrain.
Features and Benefits:
- Cast iron engine block with 4-bolt main and 1-piece rear main seal
- Ideal for street machines and mild-to-moderate builds
- Capable of supporting a maximum of 450 horsepower
- Lifter valleys are machined for hydraulic roller and flat tappet valvetrains
- Clearanced for 3.800" stroker crankshaft
- Torque plate-honed for better ring seal and stronger compression
- Cylinder wall is designed with a production-spec thickness
- Non-siamesed bores promote cylinder-to-cylinder cooling
Specifications:
- Crank journal size: 350
- Deck height (standard): 9.025"
- Lifter pattern: standard
- Bore range: 4.000" to 4.030"
- Main bolt degree: straight
- Cylinder wall style: open
- Oiling system: wet sump
- Max stroke: 3.800"
- Cap material: gray iron
- Weight: 181 pounds
Please Note: For use on pre-pollution controlled vehicles ONLY. Designed for pre-1976 street vehicles and off-road vehicles.
California Residents: Proposition 65 Warning
Related Categories: C10 Crate Engines & Cylinder Blocks, C/K Engine
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles
