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Cometic GM/Mercury Marine 1050 Gen 4 Big Block V8 4.530in Bore .051in MLS Cylinder Head Gasket

Marsoni M251S
Sale price$104.32
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Get it in 3 business days with 1 day shipping. Friday, May 29
Cometic GM/Mercury Marine 1050 Gen 4 Big Block V8 4.530in Bore .051in MLS Cylinder Head GasketComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0. 051". 2 Slotted Valley Bolts. 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.
  • To process your return/exchange, please contact us at [email protected]
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4.7 ★★★★★
Based on 1573 reviews
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Verified Purchase
Kody
Boise, US
★★★★★ 1
Bad quality overall
Terrible quality, has melted plastic, does not fit at all. Please avoid this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 31, 2025
L
Verified Purchase
Leo I.
Birmingham, US
★★★★★ 5
Clean
Look really clean I just need the side markers now
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2024
G
Verified Purchase
Giovany Gil
Dallas, US
★★★★★ 2
Won’t fit like oem
It doesn’t fit well and had to modify it to get it as close as possible
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Reviewed in the United States on February 1, 2026
D
Verified Purchase
Diane Underwood
Dallas, US
★★★★★ 5
Fit!
Perfect
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Reviewed in the United States on March 20, 2026
J
Verified Purchase
james177us
Houston, US
★★★★★ 1
Stay away
Do not buy these, they will melt.
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Reviewed in the United States on September 9, 2025

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