Cometic GM Gen-V/VI Big Block V8 .051in MLS Cylinder Head Gasket - 4.540in Bore 1978-mercury-zephyr-base-esi5046129 Shot pened

Shot pened

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3 Layer Progressively Finer Porosity Synthetic Media

Cometic GM Gen-V/VI Big Block V8 .051in MLS Cylinder Head Gasket - 4.540in Bore 1978-mercury-zephyr-base-esi5046129 Shot penedComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". 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