4.200 MLS Head Gasket .045 - SBC

The Cometic Gaskets 4.200 MLS Head Gasket .045 for Small Block Chevy (SBC) is an essential component for engine builders and performance enthusiasts seeking reliability under high cylinder pressures. This gasket is ideal for both stock rebuilds and high-performance applications, ensuring a secure seal in demanding conditions.

Crafted from multi-layer steel (MLS), this head gasket offers superior durability compared to traditional composite gaskets. The 4.200-inch bore diameter and .045-inch thickness are precision-engineered to optimize sealing between the cylinder head and block, while the MLS construction allows for better distribution of clamping force and resistance to blowby.

This gasket is particularly beneficial for modern CNC-ported heads and blueprint blocks, allowing for proper bolt torque without excessive surface preparation. Its design eliminates the need for running-in periods or gasket sealers, making it suitable for both street and race applications.