BBC CS 4340 Forged Crank 4.500 Stroke

The BBC CS 4340 Forged Crank 4.500 Stroke from Callies is designed for big-block Chevy engine builders and performance enthusiasts who are focused on achieving high horsepower builds. This crankshaft is ideal for racers and street rodders who require reliability under extreme conditions, including elevated boost levels and nitrous applications.

Engineered from premium 4340 forged steel, the BBC CS crankshaft is subjected to rigorous metallurgical processing and precision finishing. This construction ensures it can withstand extreme loads without failure, providing a superior strength-to-weight ratio compared to nodular iron alternatives. The counterweighted design (CS designation) optimizes balance and vibration control, making it suitable for high-revving applications.

This Callies crankshaft fits all big-block Chevrolet engines (BBC) and is compatible with matching forged pistons, rods, and bearing packages, creating a robust rotating assembly. Proper installation requires dynamic balancing with your specific combination of components to ensure smooth operation and longevity.