Cometic 4.060 MLS Head Gasket .040 - GM LS1 11624 Once supports are in place

Once supports are in place

then a final precision ground radius cut - this process overcomes wear patterns and resulting failure

1967-1974 Chevrolet C20 Pickup

1200 lb/in Spring Rate

Cometic 4.060 MLS Head Gasket .040 - GM LS1 11624 Once supports are in placeComprised 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