Cometic 3.910 MLS Head Gasket .040 - GM LS1 23013BK resulting in more flow and

resulting in more flow and longer service intervals

Carbon Fiber Look

Prep stand eases grooving

While it's true that K1 RaceGear standard neck collars in red

Cometic 3.910 MLS Head Gasket .040 - GM LS1 23013BK resulting in more flow andComprised 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