Cometic 89mm MLS Head Gasket .030 - Honda 4122SMLBU this is a serious piece

this is a serious piece of hardware built with the professional in mind

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Test medium: silicone oil

Smooth Pointer Movement

Special one-way bearings prevent “roll back” when grooving or siping

Cometic 89mm MLS Head Gasket .030 - Honda 4122SMLBU this is a serious pieceComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 030". 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