Cometic 4.380 MLS Head Gasket .040 - Pontiac 400/455 Medium gas and alcohol compatible

gas and alcohol compatible

Small Block Chevrolet

4 in Tailshaft

125-inch bolt patterns

The product line consists of water pumps

Cometic 4.380 MLS Head Gasket .040 - Pontiac 400/455 Medium gas and alcohol compatibleComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". 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