Cometic 4.125 MLS Head Gasket .040 - GM LS1 835 Vacuum Secondary

Vacuum Secondary

Stilo has two separate shell sizes for this helmet

used for P/N 12302

no more mess

1984-1990 Ford Mustang

Cometic 4.125 MLS Head Gasket .040 - GM LS1 835 Vacuum SecondaryComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". With MID Sleeves. 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