Specification
Description
The Callies BBC CS 4340 Forged Crank 4.500 Stroke is engineered for high-performance Big Block Chevy applications. Crafted from 4340 forged steel, this crankshaft features a 4.500-inch stroke and is internally balanced for optimal performance. It includes a 2-piece rear main seal and is designed for use with 6.535-inch and longer connecting rods. The crankshaft is heat-treated with a deep nitride process, ensuring durability and longevity. All rod journals are drilled, and the counterweights are profiled for piston clearance, enhancing overall engine efficiency. This product requires narrowed bearings and is suitable for demanding racing environments.
Disclaimer
Ensure compatibility with your specific engine application before purchase. Professional installation is recommended. Product specifications are subject to change without notice.