SKU: 29865243454

Cometic Chevy BB 4.375in Bore .066 inch MLS 396/402/427/454 Head Gasket

Sale price$169.20 Regular price$188.00
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Description

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

Comprised 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 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
1991-1993 Chevrolet C1500 454 SS
1991-1992 Chevrolet C1500 Cheyenne
1991-1992 Chevrolet C1500 Silverado
1991-1992 Chevrolet C1500 WT
1994-1995 Chevrolet C2500 Base
1991-1995 Chevrolet C2500 Cheyenne
1991-1992 Chevrolet C2500 Scottsdale
1991-1995 Chevrolet C2500 Silverado
1994-1995 Chevrolet C2500 WT
1992-1995 Chevrolet C2500 Suburban Base
1995 Chevrolet C2500 Suburban LS
1995 Chevrolet C2500 Suburban LT
1992-1994 Chevrolet C2500 Suburban Silverado
1994-1995 Chevrolet C3500 Base
1991-1995 Chevrolet C3500 Cheyenne
1991-1992 Chevrolet C3500 Scottsdale
1991-1995 Chevrolet C3500 Silverado
1991-1996 Chevrolet G30 Beauville
1991-1996 Chevrolet G30 Chevy Van
1991-1996 Chevrolet G30 Hi-Cube
1991-1996 Chevrolet G30 Sportvan
1994-1995 Chevrolet K2500 Base
1991-1995 Chevrolet K2500 Cheyenne
1991-1992 Chevrolet K2500 Scottsdale
1991-1995 Chevrolet K2500 Silverado
1994-1995 Chevrolet K2500 WT
1992-1995 Chevrolet K2500 Suburban Base
1995 Chevrolet K2500 Suburban LS
1995 Chevrolet K2500 Suburban LT
1992-1994 Chevrolet K2500 Suburban Silverado
1994-1995 Chevrolet K3500 Base
1991-1995 Chevrolet K3500 Cheyenne
1991-1992 Chevrolet K3500 Scottsdale
1991-1995 Chevrolet K3500 Silverado
1991-1997 Chevrolet P30 Base
1991 Chevrolet R2500 Suburban Scottsdale
1991 Chevrolet R2500 Suburban Silverado
1991 Chevrolet R3500 Cheyenne
1991 Chevrolet R3500 Silverado
1991 Chevrolet V3500 Cheyenne
1991 Chevrolet V3500 Silverado
1991-1993 GMC C2500 Sierra
1994-1995 GMC C2500 Sierra SL
1991-1995 GMC C2500 Sierra SLE
1994-1995 GMC C2500 Sierra SLT
1991-1993 GMC C2500 Sierra SLX
1992-1995 GMC C2500 Suburban Base
1992-1995 GMC C2500 Suburban SLE
1995 GMC C2500 Suburban SLT
1991-1993 GMC C3500 Sierra
1994-1995 GMC C3500 Sierra SL
1991-1995 GMC C3500 Sierra SLE
1994-1995 GMC C3500 Sierra SLT
1991-1993 GMC C3500 Sierra SLX
1991-1996 GMC G3500 Magnavan
1991-1996 GMC G3500 Rally
1991-1996 GMC G3500 Rally Camper Special
1991-1996 GMC G3500 Rally STX
1991-1996 GMC G3500 Vandura
1991-1996 GMC G3500 Vandura Special
1991-1993 GMC K2500 Sierra
1994-1995 GMC K2500 Sierra SL
1991-1995 GMC K2500 Sierra SLE
1994-1995 GMC K2500 Sierra SLT
1991-1993 GMC K2500 Sierra SLX
1992-1995 GMC K2500 Suburban Base
1992-1995 GMC K2500 Suburban SLE
1995 GMC K2500 Suburban SLT
1991-1993 GMC K3500 Sierra
1994-1995 GMC K3500 Sierra SL
1991-1995 GMC K3500 Sierra SLE
1994-1995 GMC K3500 Sierra SLT
1991-1993 GMC K3500 Sierra SLX
1991-1997 GMC P3500 Base
1991 GMC R2500 Suburban Base
1991 GMC R3500 Base
1991 GMC R3500 SLE
1991 GMC V3500 Base
1991 GMC V3500 SLE
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SKU: 29865243454

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A
Verified Purchase
Amazon Customer
Phoenix, US
★★★★★ 5
good quality
Color: Black, Size: without USB
good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
M
Verified Purchase
Meghan C.
Phoenix, US
★★★★★ 1
BUYER BEWARE!! ITS GARBAGE YOU WOULD BE BETTER BUYING A $20 MONITOR MOUNT INSTEAD
Color: Black, Size: without USB, Color: Black, Size: without USB
This is the second review I ever gave on Amazon out of thousands of items I bought over the years.. This is the worst monitor mount I ever bought I have purchased maybe ten over a long period of time this monitor mount isn't the cheapest so you would think your getting quality your not it's garbage worse than garbage because it can break your monitor mine decided to give out and slam down thankfully it didn't break my $1100 oled monitor also it has weird screws you have to screw in to get it to rotate 360 degrees it has a screw that clamps down on your desk and will leave a mark and damage it.. To lower it you have to turn it 500 times loosen it up and it never feels stable also the tilt feature is litterally the worst no matter how high you try to level your monitor it always hangs downwards I have a light monitor well within the weight capacity.. I would buy any other monitor mount so buyer beware if you want junk and waste your time fiddling and trying to get this in a good position you won't and it will just get you super aggravated I wish I could give this item zero stars
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
J
Verified Purchase
Jaqueline
Boise, US
★★★★★ 5
Worth the price an pretty good angles
Color: White, Size: without USB
So I decided to get this monitor arm because I was trying to go for an all white aesthetic and needed a arm to come in on time was a little skeptical because of the reviews but after using it, I love it. It’s super sturdy. The monitor arm is pretty high-quality. It uses mostly metal and the cable management is really good. I definitely recommend it.
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Reviewed in the United States on January 18, 2026
L
Verified Purchase
LucyF
Charlottesville, US
★★★★★ 4
Feedback
Color: White, Size: without USB
I wish you didn’t have to adjust screws to adjust position Otherwise it is great
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Reviewed in the United States on November 5, 2025
J
Verified Purchase
Jefferson T
Louisville, US
★★★★★ 5
Easy to use
Color: Black, Size: without USB
Easy to use and set up. The quality of the item seems to be there - sturdy enough to hold my 34” ultra wide Samsung monitor. Worth every cent with how easy it is to use and readjust the angle of the screen - I had to stiffen the resistance to account for the added weight of the monitor, but the fit and stability is spot on once the adjustment was made; just a few turns of the screw with the included Allen key
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 26, 2025

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