Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.060". Cometic MLS (Multi-Layer Steel) Head Gaskets...

Cometic GM LS1 Small Block 4.085in Bore .040in MLS Head Gasket

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.060". Round Bore. Cometic MLS (Multi-Layer Steel)...

Cometic GM LSX 4.085in Bore .051in MLS Head Gasket - Left