Cometic 4.200 " Bore MLS Head Gasket - SB Chevy HS310320 75 in W x 20

75 in W x 20 in H x 3 in D

Measurements: 30

Molded-in dividers prevent items from slipping under dividers and accidentally mixing product

Converts old style Bert Ball Spline Transmission to new double seal specifications

large shell 1300±30g

Cometic 4.200 " Bore MLS Head Gasket - SB Chevy HS310320 75 in W x 20Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 066". With Steam Holes. 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