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- USA
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Ships within 48 hours · Estimated delivery Jun 15 - Jun 20
For Your Every Summer RSVP, with Code: SUMMER15
Description
Cometic GM LS1 SB 3.910 inch Bore .027 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. 027". 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


Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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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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- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1432 reviews
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Product Reviews
★★★★★ 5
It works will
Item form: Tablet
I love this product. They have with the smell and start cleaning that.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 16, 2025
★★★★★ 3
It’s okay
Item form: Tablet
Product says “deodorizes” so I thought it would leave a clean lemony smell, but it does not. Sometimes it foams other times it doesn’t but based on the description that’s normal?
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Great product
Item form: Tablet
Love these. Works great
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Reviewed in the United States on September 24, 2025
★★★★★ 1
Not good
Item form: Tablet
Terrible compared to packets. Almost no foam and inefficient
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Reviewed in the United States on May 26, 2026
★★★★★ 5
As listed
Item form: Tablet
Works as described.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025




