Cometic 3.910 MLS Head Gasket .051 - GM LS1 200400107 180 in Tall

180 in Tall

1975-1986 Chevrolet K20

Drag Parachute

Although ozone is widely used in industry and commerce the ozone layer

Cometic 3.910 MLS Head Gasket .051 - GM LS1 200400107 180 in TallComprised 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