Cometic 4.040 MLS Head Gasket .040 - SB Chevy LT1 13106 Today's lightweight engines are producing

Today's lightweight engines are producing more horsepower

from 1-3/4" to 1-1/2"

Patented five-spoke center design for low moment of inertia

Mini Starter

Simpson Ghost Bandit Carbon Helmet

Cometic 4.040 MLS Head Gasket .040 - SB Chevy LT1 13106 Today's lightweight engines are producingComprised 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