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Description
Cometic Buick Big Block V8 .051in MLS Cylinder Head Gasket - 4.400in BoreComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". 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
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.051". 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.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1971-1973 | Buick | Centurion | Base |
| 1973-1974 | Buick | Century | Base |
| 1973-1974 | Buick | Century | Luxus |
| 1968-1974 | Buick | Electra | 225 |
| 1968-1974 | Buick | Electra | 225 Custom |
| 1974 | Buick | Electra | 225 Limited |
| 1967,1973 | Buick | Electra | Base |
| 1967 | Buick | Electra | Custom |
| 1970-1974 | Buick | Estate Wagon | Base |
| 1967 | Buick | Gran Sport | Base |
| 1968-1969 | Buick | GS 400 | Base |
| 1970-1972 | Buick | GS 455 | Base |
| 1970 | Buick | GS 455 | GSX |
| 1970-1974 | Buick | LeSabre | Base |
| 1970-1973 | Buick | LeSabre | Custom |
| 1974 | Buick | LeSabre | Luxus |
| 1973-1974 | Buick | Regal | Base |
| 1967-1974 | Buick | Riviera | Base |
| 1971 | Buick | Riviera | Gran Sport |
| 1976 | Buick | Riviera | SR |
| 1967-1968,1970-1971 | Buick | Skylark | Base |
| 1968,1970-1971 | Buick | Skylark | Custom |
| 1968-1970 | Buick | Sportwagon | Base |
| 1968 | Buick | Sportwagon | Custom |
| 1967-1969 | Buick | Wildcat | Base |
| 1967-1970 | Buick | Wildcat | Custom |
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
4.6 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Quality Product
Style: SPF 50, Size: 6 Ounce (Pack of 1)
Have been using this for years. Love this product. Works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
★★★★★ 5
Good sunscreen, but the shade didn’t work for me
Color: Medium
I bought the Colorescience Flex in Medium because I had seen great reviews and liked the idea of a tinted mineral sunscreen. The formula itself felt really high quality and it did provide good sun protection, but the shade didn’t end up working for my skin tone.
✔️ What I liked:
- Great daily mineral sun protection.
- Lightweight texture and easy to apply.
- Didn’t irritate my skin or cause breakouts.
- Nice natural finish at first.
❌ What I didn’t like:
- On my skin, the Medium shade looked orange.
- The color didn’t blend well with my undertone.
- I had to work it in quite a bit to avoid a noticeable line with my neck.
I think the formula is really good, but the shade selection definitely requires care. In my case, it just wasn’t the right match
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Finally found my perfect match!! In foundation!
Color: Medium, Color: Medium
I’ve used many high-end foundations over the years, but Colorescience has become my everyday favorite. It feels incredibly lightweight on the skin and provides a natural, healthy-looking finish that doesn’t feel heavy or cakey.
The added SPF is a huge bonus and makes my morning routine so much easier. I also love how perfectly it matches my skin tone, it blends seamlessly and looks like my skin, just more even and polished.
If you prefer a natural, lightweight foundation with the added benefit of sun protection, this one is definitely worth trying.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Worth the investment! It lasts!!
Color: Medium, Color: Medium
I have been using this religiously as my foundation for over a year! I love it. It works best for me when I use moistuzer, let it dry enough so you have a little slip. A LITTLE goes a long way and double check the bottle because even when it feels empty it’s not fully empty :) it’s not a full coverage approach to foundation I use an elf glo setting over it in winter . It’s light weight and the SPF was what I was looking for!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Expensive, but a good product!
Color: Fair
Love this product. Comes out of the tube white but changes color as you apply. I find you do need moisturizer on your face to get a smoother application - I tend to mix it with my moisturizer before applying and it works well. Am currently on my 3rd tube of the stuff. A bit pricey, but for my skin it sits better than most other products I've tried and doesn't make me break out or look shiny.
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Reviewed in the United States on May 31, 2026