Chevrolet Performance Forged Steel Crankshaft Small Block 383
Highlights
- 4340 Forged Steel Build
- 3.800" Stroke for 383ci
- Fits One-Piece Rear Seal
- 2.10" Rod Journals
Chevrolet Performance Forged Steel Crankshaft for Small Block 383 Engines.
Build your 383 stroker with confidence using this Chevrolet Performance crankshaft (12489436)! With a 3.800" stroke and standard 350 main journal sizing, it's designed to create 383 cubic inches of displacement. This high-strength steel crankshaft delivers the durability required for high-performance small block setups.
Features and Benefits:
- Forged 4340 steel for maximum strength
- 3.800" stroke creates 383 cubic inches
- Rod journals measure 2.10"
- Standard 350 main journal sizing
- Compatible with one-piece rear main seal
- Ideal for 383 stroker engine builds
- Built for high-performance use
Please Note: Must be used with 1986-and-later one-piece crank seal design flywheels or flexplates.
Vehicle Fitment:
- 1964-1972 Chevy Chevelle
- 1964-1972 Chevy El Camino
- 1967-1981 Chevy Camaro
- 1971-1972 GMC Sprint
- 1964-1969 Beaumont
- 1968-1974 Chevy Nova
- 1970-1972 Chevy Monte Carlo
California Residents: Proposition 65 Warning
Related Categories: Engine, Restomod
Vehicle Fitment
This product will fit the following Camaro years:
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
This product will fit the following Chevelle years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
This product will fit the following El Camino years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
