4.165 MLS Head Gasket .040 - SBC SB2

The 4.165 MLS Head Gasket .040 for SBC SB2 by Cometic Gaskets is designed for small-block Chevy builders and engine rebuilders who require a reliable sealing solution for high-performance or stock-stroke applications. This gasket is critical for sealing combustion pressure between the cylinder head and block, ensuring optimal engine performance and longevity.

Constructed from Multi-Layer Steel (MLS), this gasket features precisely laminated steel layers with an elastomer coating, providing a durable seal that withstands high combustion pressures. The .040-inch thickness is suitable for various small-block Chevy applications, while the 4.165-inch bore diameter aligns with common SBC head and block combinations, enhancing compatibility and performance.

Builders of SBC and SB2 platforms will find this gasket particularly beneficial when adhering to factory torque specifications with a properly resurfaced block and head. Proper installation is essential, including verifying deck height before assembly and utilizing quality head bolts for optimal performance.