Cometic Cylinder Head Gasket - 4.165 in Bore - 0.027 in Compression Thickness - Multi-Layer - Small Block Chevy Simpson Hybrid Helmet Anchors 75 in Hub to 5

75 in Hub to 5 x 5

Classic Double Pumper

36 Ratio and Up

6 in Round

Cometic Cylinder Head Gasket - 4.165 in Bore - 0.027 in Compression Thickness - Multi-Layer - Small Block Chevy Simpson Hybrid Helmet Anchors 75 in Hub to 5Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 027". With Steam Holes. 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