


Cometic GM LS1 SB 3.910in Bore .086in Thick MLS Head Gasket
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Cometic GM LS1 SB 3.910in Bore .086in Thick MLS Head GasketComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 036". World Products Man o War Block. 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
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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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I used scissors to separate the patches used.
Size: 24 x 35mm
yep, amazing a patch that holds back air.
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Reviewed in the United States on February 14, 2026
★★★★★ 1
Not what ad picture promotes - just patches - no more
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Reviewed in the United States on December 5, 2024
★★★★★ 5
Rectangle shape covers & adheres well.
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This is a rectangle shaped patch that I prefer over circular patches. Covers well and gives new life to inner tubes on the used bicycles I repair to give to charities.
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Reviewed in the United States on November 18, 2025
★★★★★ 3
Just the patch, nothing else
Size: 24 x 35mm, Size: 24 x 35mm
Tried this with cement glue for PVC piping. Not sure if they are a different type of glue. The patch didn't stick at all. The instruction says to use lighter fluid, which I didn't have. Very inconvenient to need all sort of stuff to just patch a few dollar tube. I was hoping a simple process of removing the cover and sticking it on the tube. Several hours of waisted time.
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Reviewed in the United States on July 16, 2023
★★★★★ 5
Amazing kit, it has everything you need!
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