Cometic 4.100 LH MLS Head Gasket .040 - GM 6.6L Duramax H778001 Very good oxidation and corrosion

Very good oxidation and corrosion protection via specialty additives minimizes chemical deterioration over extended periods of storage and service

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Vehicle Applications: GM Silverado/Sierra 1500 14-19 L4-2

All hubs have 3/16 key @ std SB 10 location

Cometic 4.100 LH MLS Head Gasket .040 - GM 6.6L Duramax H778001 Very good oxidation and corrosionComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". Left Side. 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