Callies BBS-425-CS BBC 4340 Forged Crankshaft with 4.750-Inch Stroke and Internal Balance

The Callies BBS-425-CS crankshaft is designed for high-performance Big Block Chevy engines, featuring a forged 4340 steel construction for durability and strength. With a 4.750-inch stroke, this crankshaft provides increased torque and power output suitable for street and racing applications. Its internal balance design ensures smooth operation and reduces vibration, contributing to engine longevity and performance efficiency. The crankshaft includes a two-piece rear seal, making installation compatible with a variety of engine configurations. Manufacturing quality and precision machining by Callies guarantee reliable performance under demanding conditions, making this component an excellent choice for engine builders seeking durability and performance. Whether upgrading an existing build or constructing a new high-power engine, this crankshaft offers the technical specifications and robustness required for optimal results.

Features:

• Material: Forged 4340 steel for strength and durability

• Stroke: 4.750 inches for increased torque and power

• Design: Internal balance for smooth engine operation

• Seal Type: Two-piece rear seal compatible with various engine setups

• Application: Big Block Chevy engines for high-performance builds