4.600 MLS Head Gasket .051 - BBM

The Cometic Gaskets 4.600 MLS Head Gasket .051 (part C5799-051) is designed for serious engine builders and performance enthusiasts who are working with big-block engines. This gasket is particularly suited for applications involving high compression ratios and significant engine modifications. It serves as a reliable, leak-free seal for custom and modified big-block motors.

Constructed from multi-layer steel (MLS), this gasket utilizes multiple bonded steel layers with elastomeric facings to ensure even distribution of clamping load across deck surfaces. This design helps to resist common failure modes such as blow-by and coolant leaks, which are prevalent in both cast-iron and aluminum heads under load. The gasket features a bore diameter of 4.600 inches and a thickness of .051 inches, making it ideal for big-block deck geometry.

Engine builders working with big-block Chevrolet, big-block Ford, or similar large-displacement engines will find this gasket essential for various applications, including street use and racing. Proper surface preparation, torque sequences, and the use of approved head gasket sealers during installation are crucial for achieving optimal performance. This gasket is compatible with both stock and race-prepared head finishes, ensuring versatility for different engine setups.