Cometic 4.375 MLS Head Gasket .066 - BB Chevy Fire Extinguisher Mount Designed for professional racing environments

Designed for professional racing environments where split-second improvements in pit stop times can make the winning difference

axle tubes when building a custom width housing or converting to larger axles

high-output

street or racing

Cometic 4.375 MLS Head Gasket .066 - BB Chevy Fire Extinguisher Mount Designed for professional racing environmentsComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 066". Cometic MLS (Multi Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two