Cometic 4.200" MLS Head Gasket (Each) - SB Ford 289-351W - Non-SVO - .040" Thickness 1311114 1978-1987 Pontiac Grand Prix

1978-1987 Pontiac Grand Prix

The insulator will limit the transfer of heat from the block into the fuel pump

The outer layers are embossed and coated on both sides with Viton (a flour elastomer rubber based material that is heat resistant to 250 C/ 482 F)

1989-1990 Chevrolet Blazer

Cometic 4.200" MLS Head Gasket (Each) - SB Ford 289-351W - Non-SVO - .040" Thickness 1311114 1978-1987 Pontiac Grand PrixComprised 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