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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
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Description
Cometic Chevy Small Block 4.165 inch Bore .051 inch MLS Head Gasket (w/All Steam Holes)Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". With Steam Holes. 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
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.051". With Steam Holes. 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 materials. MLS gaskets have increased strength because they are comprised of multiple layers of stainless steel; which also creates the ability to rebound and resist corrosion. The outer layers are embossed and coated on both sides with Viton (a flour elastomer rubber based material that is heat resistant to 250 C/ 482 F). Viton is designed to meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes. The center or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirements.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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.8 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
My New Go-To for Gentle Everyday Care!
Color: White
I’ve been loving my Boka Classic Manual Toothbrush, it’s truly transformed my brushing routine! 🪥 The extra-soft, activated-charcoal-infused bristles feel so gentle yet effective, especially along the gumline. They clean thoroughly without scratching or irritating sensitive gums, which has made a noticeable difference in comfort and overall oral health.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Get Yourself A Bright White Smile
Can't belive how great this works. You can actually see the staining it removes when you expel to rinse. A bit messy to use all be it being a powder. The taste isn't bad. I believe this works better than the whitening stripe, which to me are difficult to use. Gentle on your gums and teeth. I do not recommend and do not believe the manufacture does either to use on a daily basis. A bit pricey but so are the whitening strips. For a bright white smile I recommend this product.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Easy to Use and No Bad Taste
I really like this whitening powder, it’s easy to use and fits nicely into my routine. It works well as an alternative to regular toothpaste, and the process feels simple and quick.
One of the best things is that there’s no bad taste. It has a mild, clean flavor that makes it comfortable to use daily, even if you’re sensitive to strong or overpowering mint products.
After using it consistently, it seems to be working my teeth look a bit brighter, and it feels gentle enough for sensitive teeth without causing discomfort.
Minor note: Since it’s a powder, it can feel a little different at first compared to traditional toothpaste, but it’s easy to get used to.
Overall, this is a convenient and gentle whitening option that’s easy to stick with. A great choice if you want something effective without harsh taste or sensitivity.
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Reviewed in the United States on April 4, 2026
★★★★★ 4
Whitens but not a pleasant taste.
Yes, it whitens teeth but is abrasive. Not sure how good it is for enamel, and it tastes terrible.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Great Toothpaste Alternative
I really like this teeth whitening powder. It is easy to use and leaves my mouth feeling clean and fresh. I also appreciate that it is made with nano hydroxyapatite and is designed for sensitive teeth. It has become a great addition to my oral care routine, and I am very happy with this product.
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Reviewed in the United States on May 29, 2026
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