★★★★★ 5
Perfect fit.
Works great, no leaks easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 31, 2025
Cometic Chevy BB 4.375in Bore .066 inch MLS 396/402/427/454 Head Gasket
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Cometic Chevy BB 4.375in Bore .066 inch MLS 396/402/427/454 Head GasketComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 066". 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
Quick Dispatch:
Your Cometic Chevy BB 4.375in Bore .066 inch MLS 396/402/427/454 Head Gasket orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your Cometic Chevy BB 4.375in Bore .066 inch MLS 396/402/427/454 Head Gasket ships.
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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]
- Please click here for more details>>> Return & Exchange Policy
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4.9 ★★★★★
Based on 2150 reviews
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Product Reviews
★★★★★ 5
How was the item? K&N Select Oil Filter: Designed to Protect
Easy to use
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Reviewed in the United States on April 18, 2026
★★★★★ 5
.
GREAT
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Well worth it
Worked out perfectly, smooth install, supplied all gaskets and most important the low price.
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Reviewed in the United States on July 18, 2025
★★★★★ 4
Easy to Install - Good Value for the Money
This is my first experience with K&N engine oil filters. I purchased one through AMZN and it was cheaper than expected. I may have purchased it on sale, because it was only $10. K&N is known to have great products, so I will update this review after I've used this filter for a while. So far, it seems to be working fine.
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Reviewed in the United States on June 25, 2024
