Cometic 4.250 MLS Head Gasket .040 - AMC 390/401 H76803FM Easy installation with a set

Easy installation with a set screw

1990-1990 Chevrolet V2500 Suburban

2007-2017 GMC Sierra 3500 HD

so you know that you can count on them

Cometic 4.250 MLS Head Gasket .040 - AMC 390/401 H76803FM Easy installation with a setComprised 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