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Description
Cometic Pontiac 326/389/421 V8 .027in MLS Cylinder Head Gasket - 4.300in BoreThe HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block. This Part Fits: Year Make Model Submodel 1959 1966 Pontiac Bonneville Base 1959 1962 Pontiac Bonneville Custom 1959 1966 Pontiac Bonneville Safari 1964 1966 Pontiac Catalina 2+2 1959 1966 Pontiac Catalina Base 1959 1966 Pontiac Catalina Safari 1962 1966 Pontiac Catalina Ventura 1962 1966 Pontiac
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1959-1966 | Pontiac | Bonneville | Base |
| 1959-1962 | Pontiac | Bonneville | Custom |
| 1959-1966 | Pontiac | Bonneville | Safari |
| 1964-1966 | Pontiac | Catalina | 2+2 |
| 1959-1966 | Pontiac | Catalina | Base |
| 1959-1966 | Pontiac | Catalina | Safari |
| 1962-1966 | Pontiac | Catalina | Ventura |
| 1962-1966 | Pontiac | Grand Prix | Base |
| 1964-1966 | Pontiac | GTO | Base |
| 1959-1966 | Pontiac | Star Chief | Base |
| 1966 | Pontiac | Star Chief | Executive |
| 1961,1963-1966 | Pontiac | Tempest | Base |
| 1964-1965 | Pontiac | Tempest | Custom |
| 1961 | Pontiac | Tempest | LeMans |
| 1961,1963-1966 | Pontiac | Tempest | Safari |
| 1960-1961 | Pontiac | Ventura | Base |
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4.8 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Good basic watch
Smaller than I expected but super nice we'll built. Offers day in English and Spanish. Stylish but simple. Easy to read the time and date.
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Classy, comfortable, accurate
My previous Casio has gotten pretty beat up. So I wanted another Casio without spending a lot. I also need it do have both day and date. A metal band is a must. I sweat a lot and leather doesn’t last. The band needs to adjust perfectly to my relatively thin wrist. First, I like the style of the face - simple and easy to read. The watch isn’t real fancy which is fine with me. The band took a bit of adjusting and came out perfectly. It’s not too heavy and retains good accuracy. Can’t beat the price. Only thing I wish it had was 24 hour sub-dial instead of elapsed minutes. I think it’s a great value and a nice looking everyday watch.
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Reviewed in the United States on April 17, 2023
★★★★★ 4
Very nice watch but hands need to be larger and luminous
It’s a very nice looking watch. Band adjustment is not difficult using the tools that come with th watch- and it’s very attractive. The watch could stand to be improved by by making the Hands larger and by making them luminous. The watch is very comfortable to wear . It may be a little large for a small wrist but it’s not gigantic. I haven’t checked the accuracy but it appears that the watch doesn’t lose or gain time.
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Reviewed in the United States on November 20, 2025
★★★★★ 5
Literally just a good watch, absolutely nothing to complain about
Ive had two versions of this watch, the leather strap version and this metal version. The only weak point on my old watch was the leather strap.
This thing is simple, elegant, and practical, couldn't really ask more from a watch. It holds up pretty well and doesn't scratch too easily (if you have a labor intensive job you might want a glass protector). I've had mine for a couple months now and it only has a few very faint scratches but that's just because im rough on my watches lol. I would recommend this to literally anybody
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Reviewed in the United States on January 20, 2026
★★★★★ 5
A great buy
Great value! It was listed at such a low price that I expected it to be a piece of junk, but I was wrong. It's a fine watch that really should sell for more than I paid. It looks and feels like a much more expensive watch, keeps good time, and has an easily-adjustable stainless steel band.
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Reviewed in the United States on April 22, 2025