Cometic 2006+ GM LS7 7.0L 4.150 inch Bore .040 inch MLS Headgasket - C5889-040 Chevrolet V3500 Cheyenne 1989 to 1991 Maximum Duty Cycle: 25% @

Cometic 2006+ GM LS7 7.0L 4.150 inch Bore .040 inch MLS Headgasket - C5889-040 Chevrolet V3500 Cheyenne 1989 to 1991 Maximum Duty Cycle: 25% @Comprised 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

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