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Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .051 inch MLS Head Gasket

Marsoni M251S
Sale price$105.71
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Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .051 inch MLS Head GasketComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". With MID Sleeves. 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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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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4.5 ★★★★★
Based on 1386 reviews
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Amazon Customer
Boise, US
★★★★★ 5
Gel socks comfortable fit
Color: 2pairs Black
It was as stated. It fitted well and the size was the correct size. Comfortable and wearable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
B
Verified Purchase
bj
Massapequa, US
★★★★★ 5
great
Color: 2pairs Black
these fit just right so if you need gel socks you should gets these. also they fit great I am a size 12
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
D
Verified Purchase
DonO
Massapequa, US
★★★★★ 2
No good
Color: 1pairs Black
Hold in them after 3 days
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
B
Verified Purchase
Bob Howard
Carnegie, US
★★★★★ 1
Cold and slimy feeling
Color: 2pairs Grey
The silicone lining in these socks feels very cold and slimy. I was not able to tolerate the cold on my feet.
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Reviewed in the United States on February 19, 2026
C
Verified Purchase
Coach
Whiting, US
★★★★★ 5
Great stuff!
Color: #3 Rose Gold
Trying to give 4.5 stars. It’s phenomenal! My only .5 is that is absolutely does rub off on clothing. I’m going to a party tomorrow and I’ll try using setting spray after application. I love it though. Light weight, no odor and shimmer you can use on body, hair and even accessories!
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Reviewed in the United States on May 16, 2026

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