SBC 4340 Forged Magnum Crank - 3.500 Stroke

The CALLIES SBC 4340 Forged Magnum Crank with 3.500 stroke is a premium forged steel crankshaft designed for high-performance small block Chevy applications. It is engineered to provide maximum durability and reliability, making it ideal for competition engines, street performance builds, and demanding marine installations.

Constructed from 4340 forged steel, this crankshaft offers superior tensile strength compared to cast iron, effectively absorbing shock loads from detonation and high-revving operations. Its internally balanced design minimizes vibration, ensuring smoother engine operation across the RPM range. The two-piece seal design meets modern sealing standards while preserving classic crankshaft architecture.

This crankshaft is essential for builders of performance small block Chevy engines, including fuel-injected street cars, naturally aspirated race motors, and supercharged or turbocharged applications. Its robust construction is particularly beneficial for marine V8s operating in saltwater environments, where reliability is crucial.