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Description
Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .070in MLS Cylinder Head Gasket - 4.280in Bore - LHSComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 098". 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 0.098". 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 |
|---|---|---|---|
| 2002-2004 | Chevrolet | Avalanche 2500 | Base |
| 2005-2006 | Chevrolet | Avalanche 2500 | LS |
| 2005-2006 | Chevrolet | Avalanche 2500 | LT |
| 2001-2002 | Chevrolet | Express 3500 | Base |
| 2001-2002 | Chevrolet | Express 3500 | LS |
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LT |
| 2004-2006 | Chevrolet | Silverado 2500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2006 | Chevrolet | Silverado 3500 | LS |
| 2001-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2001 | Chevrolet | Suburban 2500 | Base |
| 2001-2006 | Chevrolet | Suburban 2500 | LS |
| 2001-2006 | Chevrolet | Suburban 2500 | LT |
| 2001-2002 | GMC | Savana 3500 | Base |
| 2001-2002 | GMC | Savana 3500 | SLT |
| 2002-2005 | GMC | Sierra 2500 HD | Base |
| 2001-2002,2006 | GMC | Sierra 2500 HD | SL |
| 2001-2006 | GMC | Sierra 2500 HD | SLE |
| 2001-2006 | GMC | Sierra 2500 HD | SLT |
| 2003-2006 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007 | GMC | Sierra 2500 HD Classic | WT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2001-2002,2006 | GMC | Sierra 3500 | SL |
| 2001-2006 | GMC | Sierra 3500 | SLE |
| 2001-2006 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | SLT |
| 2007 | GMC | Sierra 3500 Classic | WT |
| 2001-2006 | GMC | Yukon XL 2500 | SLE |
| 2001-2006 | GMC | Yukon XL 2500 | SLT |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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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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4.7 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Great for heavy duty chewers
Flavor Name: Steak, Size: Medium
Our two dogs love these bones. They’re very durable for heavy duty chewers and it takes them a fairly good time to get through them. They must love the taste because it’s the bone they first pick up. I’ve gotten two flavors so far, beef and the peanut butter. Our dogs love them and because of that so do we.
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Reviewed in the United States on April 23, 2026
★★★★★ 4
Seems great, but not for my lab
Flavor Name: Bacon, Size: Medium, Flavor Name: Bacon, Size: Medium
I am rating this, to some degree, from a hypothetical standpoint. It SEEMS like a great bone. It SEEMS like it will last quite a while and withstand some avid chewers. However, I can't say for certain because it just wasn't well-loved by my Black Lab.
She has a penchant for chewing animal bones. She loves to find wildlife bones in our yard and munch on them, so we do our best to provide healthy chewing options in the house. She will go to town on a cow's joint and even enjoys a peanut butter filled Kong from time to time, but this bone just didn't meet her expectations.
It's not a bad bone. It has a very rugged feel and seems like it would be safe if bits and pieces were to begin coming off, like they're safely edible. I guess (and I can't say for sure..) it just doesn't have as much of a meaty flavor as many dog's like. If your pup is a Nylabone chewer- or likes to chow down on your loafers- this bone may be a perfect new addition to his/her toy bin.
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Reviewed in the United States on July 10, 2020
★★★★★ 5
Bone for destroyers
Flavor Name: Bacon, Size: Small
4 months ago I Bought this bone for my 90lb lab who destroys all his bones, but not this one! It barely has any teeth/chew marks on it and it’s one of his favorites. It was a great find and I’ll be sure to buy again. If you have a dog that destroys bones I’d give this one a try.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Immediate Doggy Happiness!
Flavor Name: Bacon, Size: Medium
Great dog bones! These are a nice size for my 55-pound Aussie, as well as our 96-pound Alaskan Shepherd. They are big enough to last for a while, and big enough to see so that I don't step on them with my bare feet; part of this is that they stick up off the floor a bit, instead of being a flat bone, all in one plane.
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Reviewed in the United States on May 17, 2026
★★★★★ 3
Nice size, the quality is changing. It is softer I believe than it used to be.
Flavor Name: Peanut Butter, Size: Large, Flavor Name: Peanut Butter, Size: Large
Not sure if something has changed in the way this product "Barkbone" is made. I bought this many times before and it lasted. Today, on my dogs first day of use, he had chipped through the material, and already destroying it. he has had it for less than 3 hours.
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Reviewed in the United States on September 29, 2025
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