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Cometic GM LS1 SB 4.100in Bore .060in MLS-5 Head Gasket

Marsoni M251S
Sale price$128.84
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Cometic GM LS1 SB 4.100in Bore .060in MLS-5 Head GasketComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 060". 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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  • We offer a 30-day return/exchange service after receiving.
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4.8 ★★★★★
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Amazon Customer
San Leandro, US
★★★★★ 1
Too restrictive!
If you like air flow do not buy this filter. I put it in my 2020 Super duty and had very little air coming out with the fan as high as it would go. Stopped and bought the standard Microguard from Orielly's. I changed it in the parking lot and Bam!!! back to blowing my hat off!
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Reviewed in the United States on May 5, 2026
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Amazon Customer
Louisville, US
★★★★★ 5
Great price
Both filters fit and worked and had a great price.
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Reviewed in the United States on March 15, 2026
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maria sames
Boise, US
★★★★★ 5
Better then oem
Great product quality is definitely a plus had no issues. Been buying these for 3 years.
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Reviewed in the United States on November 19, 2025
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Craig Miller
New York, US
★★★★★ 5
Quality filters
Perfect fit, no issues with the installation of these filters.
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Reviewed in the United States on March 8, 2026
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Amazon Customer
Lexington, US
★★★★★ 5
Prompness
Great job
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Reviewed in the United States on March 23, 2026

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