Cometic 4.320 MLS Head Gasket .051 - BB Chevy Conventional Motor Oil Retains factory-style spring cup

Retains factory-style spring cup

1988-1996 GMC G3500

Copper Washer

2019 RAM 1500

Cometic 4.320 MLS Head Gasket .051 - BB Chevy Conventional Motor Oil Retains factory-style spring cupComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". 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