Description
Building a high-displacement small block engine demands a crankshaft that can handle increased stroke volume and the forces that come with it. The SBC 4340 Forged Magnum Crank delivers the durability and precision needed for serious power while maintaining the internal balance characteristics your engine depends on. Whether you’re assembling a street-performance build or a dedicated race engine, this forged steel crank provides the foundation for reliable, repeatable power delivery.
- 4340 Forged Steel
- 4.000 in. Stroke
- Small Block Chevy
- Internal Balance
- 2-Piece Seal
- Magnum Series
- MPN: SAO-21A-MG
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