Cometic Cylinder Head Gasket - 4.165 in Bore - 0.027 in Compression Thickness - Multi-Layer - Small Block Chevy Simpson Hybrid Helmet Anchors This Top End Kit produced

This Top End Kit produced 315 HP & 381 TQ on a 350 c

36 Ratio and Up

75 in Hub to 5 x 5

1980-1990 Avanti II

Cometic Cylinder Head Gasket - 4.165 in Bore - 0.027 in Compression Thickness - Multi-Layer - Small Block Chevy Simpson Hybrid Helmet Anchors This Top End Kit producedComprised 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