Cometic 4.320 MLS Head Gasket .040 - BB Chevy Gen V & VI Biondo Racing Products 12 AN Male Ports

12 AN Male Ports

1972-1972 GMC C15/C1500 Suburban

Highly accurate stretch gauge reads in

Made from lightweight

Button Head

Cometic 4.320 MLS Head Gasket .040 - BB Chevy Gen V & VI Biondo Racing Products 12 AN Male PortsComprised 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