Cometic GM Gen I Small Block V8 MLS Head Gasket - 4.200 Round Bore Helmet Fresh Air Systems 3/4 in Shaft

3/4 in Shaft

The caps are not compatible on any other Zamp Helmet

Soft and comfortable

Raw Aluminum Finish

Cometic GM Gen I Small Block V8 MLS Head Gasket - 4.200 Round Bore Helmet Fresh Air Systems 3/4 in ShaftComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 120". 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