Cometic 4.165" MLS Head Gasket (Each) - SB SB Chevy2 350/400 - .040" Thickness Radiator Hose 11-5/8 in Bolt Circle

11-5/8 in Bolt Circle

Fun and Pleasurable Drive

Head and Neck device

Longer exhaust studs improve thermal durability

600 in Knurl

Cometic 4.165" MLS Head Gasket (Each) - SB SB Chevy2 350/400 - .040" Thickness Radiator Hose 11-5/8 in Bolt CircleComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". 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