SBC CS 4340 Forged Crank 4.000 Stroke 400 Mains

The SBC CS 4340 Forged Crank 4.000 Stroke 400 Mains from Callies is designed for serious small-block Chevy engine builds, particularly in high-performance street and racing applications. This crankshaft provides the reliability and strength necessary for builders looking to enhance displacement and horsepower in small-block platforms.

Constructed from premium 4340 forged alloy steel, the SBC CS crankshaft offers superior fatigue resistance and impact strength compared to cast alternatives. This is crucial for engine internals that experience increased cylinder pressures from turbocharging, supercharging, or nitrous oxide systems. The precision-forged design minimizes weight concentration while maintaining critical journals and thrust surfaces, which helps reduce bearing wear and extend engine longevity.

Engine builders constructing durable stroker assemblies or turbo small-blocks will find this crankshaft particularly beneficial. It is engineered to handle high-RPM operation and heavy load cycles, making it an excellent choice for those targeting consistent performance in competitive environments.