Cometic Pontiac 400/428/455 V8 .045in MLS Cylinder Head Gasket - 4.300in Bore
SKU: 1148732780

Cometic Pontiac 400/428/455 V8 .045in MLS Cylinder Head Gasket - 4.300in Bore

Sale price$91.82 Regular price$102.02
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Description

Cometic Pontiac 400/428/455 V8 .045in MLS Cylinder Head Gasket - 4.300in BoreComprised 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

Comprised 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 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
1975 Buick LeSabre Base
1975 Buick LeSabre Custom
1975 Oldsmobile 98 Luxury
1975 Oldsmobile 98 Regency
1975 Oldsmobile Custom Cruiser Base
1975 Oldsmobile Custom Cruiser Panel
1975 Oldsmobile Delta 88 Base
1975 Oldsmobile Delta 88 Royale
1968-1978 Pontiac Bonneville Base
1976-1978 Pontiac Bonneville Brougham
1968-1970,1978 Pontiac Bonneville Safari
1968-1978 Pontiac Catalina Base
1971-1972 Pontiac Catalina Brougham
1968-1978 Pontiac Catalina Safari
1968-1970 Pontiac Catalina Ventura
1968-1970 Pontiac Executive Base
1968-1970 Pontiac Executive Safari
1968-1969 Pontiac Firebird 400
1968-1977 Pontiac Firebird Base
1970-1974,1976 Pontiac Firebird Esprit
1970-1979 Pontiac Firebird Formula
1969-1979 Pontiac Firebird Trans Am
1973-1975 Pontiac Grand Am Base
1975-1977 Pontiac Grand LeMans Base
1975,1977 Pontiac Grand LeMans Safari
1968-1974,1976-1977 Pontiac Grand Prix Base
1975,1977 Pontiac Grand Prix LJ
1975-1977 Pontiac Grand Prix SJ
1971-1978 Pontiac Grand Safari Base
1971-1974 Pontiac Grandville Base
1975 Pontiac Grandville Brougham
1968-1973 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1968-1977 Pontiac LeMans Base
1972-1974 Pontiac LeMans Luxury
1969-1970,1973-1975,1977 Pontiac LeMans Safari
1974 Pontiac LeMans Safari Luxury
1970-1977 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1968-1970 Pontiac Tempest Base
1968-1969 Pontiac Tempest Custom
1970 Pontiac Tempest GT
1968-1969 Pontiac Tempest Safari
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SKU: 1148732780

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4.1 ★★★★★
Based on 1026 reviews
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Product Reviews
K
Ken
Dallas, US
★★★★★ 5
Great pillow that helped relieve my neck pain!
This is probably one of the best, if not the best pillow I have ever used. I have periodically had a stiff neck in the mornings and the past 2 months it was constant. I got these pillows about a week ago and the first night that I tried it, my stiff neck was significantly less in the morning. I tried it for another 4 days and each day my neck felt better. I then visited my sister and used the pillow they had and the next morning my neck had pain again. The following night when I was back home, I used this pillow again and in the morning my neck pain was gone. I was completely surprised that this pillow worked for me, as I have tried many other pillows over the years. My wife, who also has neck pains, said that this pillow also helped her. The retail price is on the expensive side, but to me it is worth it. It comes with 2 queen size pillows that easily fit queen size pillow cases. It also comes with its own zippered cover that is made of a very soft microfiber type of material. The pillows are made of memory foam with portions of it more firm than others so that it can support your neck and head correctly. Depending on how you sleep, the pillow can be flipped or turned to match your sleeping style. I tend to sleep on my back and use the side that cradles your head. It is indicated by the blue portion of the pillow that I show in the pictures. The part that supports my neck is a little stiffer than where my head rests. Not sure if this works for everyone, but for me it is the best pillow I have ever tried, without a doubt!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
A
Amazon Reviewer
Charlottesville, US
★★★★★ 4
Amazing Support and Sleep Quality… But the Price Is Hard to Justify
These pillows genuinely surprised me. The best way I can describe them is that they somehow feel soft and firm at the same time. The memory foam is very responsive and almost feels like slime or Play-Doh in the way you can squish and shape it, but it immediately returns back to its original form. They feel premium the moment you touch them. I usually have a slightly hard time falling asleep and tend to toss around for a while before getting comfortable, but with this pillow I fell asleep incredibly fast. I’m not exaggerating when I say it took me less than two minutes the first night I used it. That alone impressed me. The biggest difference for me has been shoulder and neck comfort. I have a weaker right shoulder, and sleeping on that side normally causes discomfort or makes me wake up in pain during the night. With this pillow, I was actually able to sleep on my right side comfortably and woke up without that usual soreness. I also noticed I slept through the night without waking up repeatedly to readjust, which is rare for me. The contour shape definitely helps with alignment. The center cradles your head nicely while the raised edges support your neck well, especially for side sleeping. I can see why some people call these orthopedic pillows. The cooling pillow covers are also really nice. They feel smooth, breathable, and cool against the skin, which made the overall sleep experience feel more comfortable and “high-end.” That said, these pillows are not for everyone. I can understand some of the other reviews mentioning that the shape can feel restrictive if you move around a lot during sleep, or if you prefer a flatter pillow. These are very specifically designed pillows, not the kind you casually fold and bunch up however you want. My only major issue is the price. The pillows themselves are genuinely excellent, but I personally cannot justify spending around $330 for two pillows. I received them through the Amazon program, and while I really do love using them, if I were paying full price with my own money, I probably would not purchase them at that cost. If the price comes down significantly, though, I could absolutely see these being worth it for people dealing with neck or shoulder pain. Overall, the comfort and support are fantastic, and they noticeably improved my sleep quality. My neck and shoulder feel much better in the mornings, which honestly matters more than fancy marketing words ever will. The pillows are great. The pricing department just seems to have taken a very confident nap.
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Reviewed in the United States on May 25, 2026
M
Michelle Pepe
Belleville, US
★★★★★ 5
The Pillow Everyone in the House Wants Now
This set was originally for my mom and my daughter, but after trying one myself, I completely understand why they like it so much. In fact, it convinced me that I need to order one for myself as well. The contour design does a great job supporting the neck and head without feeling awkward or overly firm. It feels different from a traditional pillow at first, but after a night of sleep, the extra support becomes easy to appreciate. What stood out most was how rested I felt the next morning. The pillow helped keep my head and neck in a comfortable position throughout the night, whether sleeping on my back or side. My mom immediately noticed the comfort, and my daughter took to hers right away too. It's rare to find a pillow that works well for different ages and sleep styles, but this one seems to have broad appeal. The memory foam feels supportive without being hard, and the cooling cover adds to the overall comfort. The removable cover is also convenient for keeping everything clean and fresh.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
U
User1234
Houston, US
★★★★★ 3
The price of $340 for two pillows may be out of reach for many individuals
The price of $340 for two pillows may be out of reach for many individuals. While these pillows provide excellent neck support, they do limit sleeping positions to just one preferred pose. Designed with high-quality ergonomic features, these pillows are double-sided to cater to different comfort needs. The softer side is perfect for those seeking easy relaxation, while the firmer side offers enhanced support for a more restful night's sleep. Crafted from premium memory foam, the supportive contour design promotes a natural sleeping posture, ensuring balanced support whether you sleep on your back or side. Each neck pillow is accompanied by breathable, cooling pillowcases that enhance comfort throughout the night. These cases are also removable and machine washable, making it simple to keep both pillows clean, fresh, and hygienic. Overall, these pillows provide exceptional neck support, helping you relax and enjoy a restorative sleep experience.
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Reviewed in the United States on May 20, 2026
J
Just us …
Boise, US
★★★★★ 5
BEST PILLOW OUT THERE! Great for back and side sleeping. So glad I found them!
Like a cloud! Really loving this pillow set! I have tried many different pillows trying to get rid of my neck pain to no avail. One of the pillows even had a chiropractor endorsing it - and then I found it was actually causing me jaw pain when I slept on my side because it was too firm and had no give. We are LOVING THIS CERVICAL NECK PILLOW! I have been using it consecutive nights as a back sleeper and side sleeper and my neck continues to feel pain-free, no cricks and when I sleep on my side there is no pressure on my jaw or shoulder pain. It has just enough support in all the right places and enough give in the center to allow my head to comfortably sink into the middle aligning my neck for comfort, and enough give it does not put pressure on my jaw from the side sleeping. It also came with 2 pillow cases that are soft - I love the way it keeps the frizzy of hair from developing around my face because my hair is sliding, rather than friction when I move in my sleep. This pillow is a Win-Win! Getting a set for my son too!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026

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