Description
A forged 4340 steel crankshaft is the foundation of any high-performance small-block Chevy engine, and this 3.875″ stroke Magnum crank delivers the strength and precision needed for sustained high-RPM operation. Whether you’re building a street performer or a race-ready engine, internal balance eliminates the need for external counterweights, simplifying installation and reducing rotating mass. The 2-piece rear seal design accommodates both classic and modern engine configurations, making this a versatile choice for restores, upgrades, or ground-up builds.
- 4340 forged steel
- 3.875″ stroke
- Internal balance design
- Small Block Chevy compatible
- 2-piece rear seal
- Magnum specification
- Individual unit
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