BBC MLS Head Gasket 4.640 Bore .041

The BBC MLS Head Gasket 4.640 Bore .041 from FEL-PRO is an essential sealing component for big-block Chevrolet engine builders seeking reliable combustion chamber integrity. This gasket is particularly suited for high-performance applications where precise sealing is critical under varying pressure and temperature conditions. Whether you're working on a street engine, racing platform, or restoring a classic muscle car, this gasket is designed to prevent coolant and oil crossover.

Constructed from multi-layer steel (MLS), this gasket features precisely layered stainless and mild steel that conforms to machined deck surfaces. Its .041-inch thickness is specifically engineered for BBC applications, providing effective sealing while maintaining compression ratios. The gasket's design helps to resist blow-out and chemical degradation, ensuring durability and performance.

Engine builders and mechanics commonly specify this gasket for BBC big-blocks ranging from 396 to 502 cubic inches, including popular variants like LS6, L88, and 427. Proper deck surface preparation is essential for installation, ensuring optimal performance and longevity of the gasket. This product is ideal for those looking to enhance their engine's performance while maintaining reliability.