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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Mr. Gasket Copper Seal Header Gaskets - 7171MRGOverview: Mr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications. Features: Manufactured from Dead Soft (solid) . 043" thick copper material . 051" embossment around each exhaust port to seal irregular surfaces. Total gasket
Overview:
Mr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.
Features:
- Manufactured from “Dead Soft†(solid) .043" thick copper material
- .051" embossment around each exhaust port to seal irregular surfaces. Total gasket thickness .094"
- Provides excellent sealing and durability
- Conforms to and seals minor surface irregularities
- For high performance street, drag race, oval track and turbocharged (extreme heat) applications
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1975 - 1976 | Pontiac | Grand LeMans | 400/6.6 V8 | |
| 1975 - 1976 | Pontiac | Grand LeMans | 350/5.7 V8 | |
| 1975 - 1976 | Pontiac | Grand LeMans | 455/7.5 V8 | |
| 1967 - 1976 | Pontiac | Grand Prix | 400/6.6 V8 | |
| 1976 | Pontiac | Grand Prix | 350/5.7 V8 | |
| 1971 - 1976 | Pontiac | Grand Prix | 455/7.5 V8 | |
| 1972 - 1975 | Pontiac | Grandville | 455/7.5 V8 | |
| 1968 - 1976 | Pontiac | LeMans | 400/6.6 V8 | |
| 1968 - 1976 | Pontiac | LeMans | 350/5.7 V8 | |
| 1971 - 1976 | Pontiac | Grand Safari | 400/6.6 V8 | |
| 1971 - 1976 | Pontiac | Grand Safari | 455/7.5 V8 | |
| 1973 - 1975 | Pontiac | Grandville | 400/6.6 V8 | |
| 1970 - 1976 | Pontiac | LeMans | 455/7.5 V8 | |
| 1972 - 1976 | Pontiac | Ventura | 350/5.7 V8 | |
| 1965 - 1970 | Pontiac | Bonneville | ||
| 1966 | Pontiac | Bonneville | 389/6.4 V8 | |
| 1967 - 1976 | Pontiac | Bonneville | 400/6.6 V8 | |
| 1967 | Pontiac | Bonneville | 428/7 V8 | |
| 1971 - 1976 | Pontiac | Bonneville | 455/7.5 V8 | |
| 1965 - 1969 | Pontiac | Catalina | ||
| 1967 - 1976 | Pontiac | Catalina | 400/6.6 V8 | |
| 1967 | Pontiac | Catalina | 428/7 V8 | |
| 1970 - 1976 | Pontiac | Catalina | 455/7.5 V8 | |
| 1970 - 1976 | Pontiac | Catalina | 350/5.7 V8 | |
| 1966 | Pontiac | Bonneville | 421/6.9 V8 | |
| 1967 - 1976 | Pontiac | Firebird | 400/6.6 V8 | |
| 1971 - 1976 | Pontiac | Firebird | 455/7.5 V8 | |
| 1968 - 1976 | Pontiac | Firebird | 350/5.7 V8 | |
| 1967 | Pontiac | Firebird | 326/5.3 V8 | |
| 1973 - 1975 | Pontiac | Grand Am | 400/6.6 V8 | |
| 1973 - 1975 | Pontiac | Grand Am | 350/5.7 V8 | |
| 1973 - 1975 | Pontiac | Grand Am | 455/7.5 V8 | |
| 1966 | Pontiac | Grand Prix | 421/6.9 V8 | |
| 1965 - 1970 | Pontiac | Grand Prix | ||
| 1968 - 1970 | Pontiac | Tempest | 400/6.6 V8 | |
| 1968 - 1970 | Pontiac | Executive | 400/6.6 V8 | |
| 1968 - 1969 | Pontiac | Executive | 428/7 V8 | |
| 1968 - 1970 | Pontiac | Tempest | 350/5.7 V8 | |
| 1970 | Pontiac | Executive | 455/7.5 V8 | |
| 1965 - 1970 | Pontiac | GTO | ||
| 1966 | Pontiac | Grand Prix | 389/6.4 V8 | |
| 1967 | Pontiac | Grand Prix | 428/7 V8 | |
| 1971 - 1973 | Pontiac | GTO | 400/6.6 V8 | |
| 1971 - 1973 | Pontiac | GTO | 455/7.5 V8 | |
| 1965 - 1967 | Pontiac | LeMans | 326/5.3 V8 | |
| 1971 | Pontiac | Grandville | ||
| 1966 | Pontiac | Star Chief | 421/6.9 V8 | |
| 1965 | Pontiac | Star Chief | ||
| 1966 | Pontiac | Star Chief | 389/6.4 V8 | |
| 1965 - 1967 | Pontiac | Tempest | 326/5.3 V8 | |
| 1967 | Pontiac | Executive |
Specs:
| Brand | Mr. Gasket |
|---|---|
| Collector Gaskets Included | No |
| Emission Code | 5 |
| Engine | Pontiac V8 |
| Gasket Line | Copper-Seal |
| Material | Copper |
| Port Shape | D-Port |
| Port Size | 1.55" x 1.94" |
| Product Type | Header Gaskets |
| Thickness | .094" |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day Warranty |
| Weight | 1 |
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
4.2 ★★★★★
Based on 1654 reviews
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Product Reviews
★★★★★ 5
Samsung - Good Stuff
Size: 32-inch
If I could get my kid's face out from in front of it for a few minutes, I might write a better, perhaps more technical review than this: Bought it for her birthday (along with a gaming PC) and have not seen her since then, as she sit's in front of it gaming all the time now. Samsung makes great stuff, price was perfect, maybe I'll get a good look at it someday.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
★★★★★ 5
A fantastic display for both gaming and productivity.
Size: 32-inch
The Odyssey G55C delivers a remarkably immersive experience. The 1000R curvature naturally fits the field of view and significantly enhances focus during work or gaming. The QHD resolution paired with 165Hz refresh rate produces a sharp, smooth, and responsive display.
HDR10 improves contrast, and AMD FreeSync ensures tear-free motion. Even for long working hours, the Eye Care features help reduce fatigue.
Pros:
Deep 1000R curve enhances immersion.
Sharp QHD resolution with 165Hz smoothness.
Excellent color and contrast for its price range.
Low input lag, great for gaming and productivity.
Anti-glare coating works well.
Cons:
Limited USB ports (typical of gaming monitors)
Stand allows tilt only—no height adjustment.
Verdict:
A fantastic display for both gaming and productivity. This monitor provides premium performance at an exceptional value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
★★★★★ 5
Top tier gaming monitor
Size: 32-inch
This monitor is the best of its class. The picture on it is better compared to its competitor, the LG ultra gear. The monitor allows you to maximize your Series X refresh rate. The HDR mode is actually brighter than statistics would give it credit for. LG's model has the same nits (300) but this literally just looks better. I just wish the stand was different, it could go without being completely plastic and awkward and non-adjustable. It has the proper mounting holes however so that it may be mounted.
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Reviewed in the United States on November 4, 2025
★★★★★ 4
Great monitor but not the monitor stand
Size: 32-inch
Overall, this is a very good monitor for the price. The picture quality is excellent, and the difference compared to my previous 27-inch 1080p monitor is immediately noticeable. The curved screen adds to the viewing experience, and there are plenty of settings available to customize the display, including good brightness options.
My main complaint is the stand. It feels a bit cheap due to its plastic construction and lack of adjustability. Considering the quality of the monitor itself, a better stand would have been nice.
The monitor does not include built-in speakers, which wasn't an issue for me but may matter to some buyers. Despite the stand, this monitor offers great value and delivers excellent overall performance.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Great for Videos and browsing
Size: 32-inch, Size: 32-inch
I did not buy this for gaming. I wanted a second monitor to browse while playing video games. With that being said it has great picture and doesn’t have any issues with refresh or delivering crisp picture quality. YouTube videos at 4K resolution is almost perfect. Its functions are user friendly and not complicated at all. The stand is rather long because of it being 32” and curved but it is strong and stable. It was super simple to connect and had no issues with compatibility with my PC. I wouldn’t use this for gaming especially if your running a high performance GPU. I’d spend a few hundred more for a better performing monitor
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Reviewed in the United States on January 9, 2026
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