Cometic 4.200 " Bore MLS Head Gasket - SB Chevy HS310320 Measurements: 30

Measurements: 30

large shell 1300±30g

BMR differential bushings should be considered an absolute must for any type of high performance driving

Black oxide bolts are available in either hex or 12-point head styles

Precision Movement And Extreme Accuracy

Cometic 4.200 " Bore MLS Head Gasket - SB Chevy HS310320 Measurements: 30Comprised 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