Cometic 4.375 MLS Head Gasket .066 - BB Chevy 3550224-9151- L 1979-1999 GMC P3500

1979-1999 GMC P3500

Bronze / Steel

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Harnesses are fully adjustable and meet SFI-16

1991-1995 Buick Roadmaster

Cometic 4.375 MLS Head Gasket .066 - BB Chevy 3550224-9151- L 1979-1999 GMC P3500Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 066". 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