Cometic Chevy Mark-IV GM Gen-V/VI Big Block V8 .040in MLS Cyl Head Gasket-4.680in Bore-Round Bore - C15680-040

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036". World Products Man-o-War Block. Cometic MLS...

Cometic GM Gen-V/VI Big Block V8 .040in. MLS Cylinder Head Gasket, 4.510in. Bore

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036". World Products Man-o-War Block. Cometic MLS...

The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.

The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.