Cometic 4.185 MLS Head Gasket .051 - GM LSX LH Pyrometer Extension Module 860 in Bore

860 in Bore

Regulator is gasoline

1965-1974 Chevrolet C30 Pickup

1996-1999 Chevrolet K1500 Suburban

Cometic 4.185 MLS Head Gasket .051 - GM LSX LH Pyrometer Extension Module 860 in BoreComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". 18 Bolt Heads. Left Side. 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