Cometic Chevy Small Block 4.165 inch Bore .040 inch MLS Headgasket (w/All Steam Holes)

Cometic Chevy Small Block 4.165 inch Bore .040 inch MLS Headgasket (w/All Steam Holes)

Marsoni

M251S

$87.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Cometic Chevy Small Block 4.165 inch Bore .040 inch MLS Headgasket (w/All Steam Holes)Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". With Steam Holes. 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

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Great price. It does what it's supposed to do. Keeps my air flow clean. Super easy to install, I can't believe mechanics charge to do this. Once you see how easy it is, you'll save yourself that expense. The material is top-quality charcoal, so it cleans all the nasty mold particles from getting into the vehicle. There is no smell, and that is a plus.

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Reviewed in the United States on January 1, 2026