SBC 4340 Forged Magnum Crank - 3.800 Stroke SAK-21A-MG
Part Number: CALSAK21A-MGCALLIES
- SKU:
- CALSAK21A-MG
- MPN:
- SAK-21A-MG
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 52.45 LBS
Description
If you're building a high-displacement Small Block Chevy engine, the 3.800-inch stroke is the foundation of your power band—and this forged 4340 crank delivers the strength and precision needed to handle serious boost and aggressive cam profiles without compromise. Built from premium 4340 forged steel with internal balance, this crank is engineered to survive the punishment of both street and competition use. Whether you're chasing peak horsepower or reliable daily-driver torque, this Magnum-series crankshaft gives you the durability that matches your ambition.
- 4340 forged steel
- 3.800 inch stroke
- Small Block Chevy
- Internal balanced
- 2-piece seal
- Bolt-in ready
- MPN: SAK-21A-MG
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