Cometic 4.060 MLS Head Gasket .027 - SB Chevy Brake Proportioning Valve If you're an IMCA hobby

If you're an IMCA hobby stock or street stock racer

heat treated to the 52 Rockwell hardness scale

8 ft Cable

Works with most Pre-1989 (Pre-1987 Mustang) Ford and most Chrysler

Cometic 4.060 MLS Head Gasket .027 - SB Chevy Brake Proportioning Valve If you're an IMCA hobbyComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 027". Round Bore. 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