Cometic Cylinder Head Gasket - 4.125 in Bore - 0.040 in Compression Thickness - Small Block Chevy PQX2338341 Dual GM Pattern

Dual GM Pattern

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Cometic Cylinder Head Gasket - 4.125 in Bore - 0.040 in Compression Thickness - Small Block Chevy PQX2338341 Dual GM PatternComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". 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