BBC Main Cap

The DART BBC Main Cap is a precision-engineered engine block cover specifically designed for big-block Chevrolet builds and high-performance applications. This component is crucial for maintaining the integrity of your engine's sealing strategy, protecting critical internal passages while ensuring proper oil distribution under extreme conditions.

Manufactured from ductile iron, the DART BBC Main Cap offers superior strength-to-weight characteristics compared to standard cast iron alternatives. Its robust 4-bolt design provides redundant fastening security, ensuring the cap remains securely in place during high RPM operation and aggressive cylinder pressures, making it ideal for both street performance and racing applications.

This main cap is essential for anyone rebuilding a big-block Chevrolet engine, as it can handle the demanding thermal and pressure cycles that separate reliable builds from catastrophic failures. With its reputation for precision engineering, DART delivers a product that meets the needs of serious automotive enthusiasts and racers alike.