Cometic 4.100" MLS Head Gasket (Each) - .040" Thickness - SB Ford 302-351W SVO - Round Bore 31022 backed by a layer of

backed by a layer of Nomex ®

a vacuum advance lock out

75 Male Thread

Stainless steel provides added strength over OEM fasteners

full synthetic

Cometic 4.100" MLS Head Gasket (Each) - .040" Thickness - SB Ford 302-351W SVO - Round Bore 31022 backed by a layer ofComprised 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