Cometic 4.150 MLS Head Gasket .051 - GM LS7 Boat Racing Helmet Shoe Box Style

Shoe Box Style

1/2-20 in Left Hand Female Thread

AN-06 size with a 100 micron stainless steel element and black anodize finish

Quick turn springs are included

Cometic 4.150 MLS Head Gasket .051 - GM LS7 Boat Racing Helmet Shoe Box StyleComprised 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