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Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS Headgasket

Marsoni M251S
Sale price$87.95
Pay 4 payments of $21.99 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS HeadgasketComprised 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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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 909 reviews
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Verified Purchase
Denise F.
Cuba, US
★★★★★ 5
Good price
Size: CB-M03H
Good price appears sturdy good instructions
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2026
A
Verified Purchase
Amazon Customer
Los Angeles, US
★★★★★ 4
Nice
Size: CB-M03H
Could be a bigger one
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
E
Verified Purchase
Eric
Massapequa, US
★★★★★ 5
These hog out the hole nicely
Size: CB-M03H
These hog out the hole nicely
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
M
Verified Purchase
Michael R.
Massapequa, US
★★★★★ 5
Very nice product.
Size: CB-003
Haven’t needed to use it yet, but it is definitely a quality product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 1, 2025
M
Verified Purchase
M. M. C.
Charlottesville, US
★★★★★ 5
It works
Size: CB-M03H
I use it on a power tool as regular drill bits seem to not work to well with the plugs. They leak air. Doing it by hand is to hard
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 20, 2025

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