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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 25 reviews
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Product Reviews
★★★★★ 5
Nice for the lips
It is very nice. Second time because it lasts all day!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 5
Nice product
The lip balm feels great, love the “flavor”, but I have to apply it just as often as any other chapstick! And my lips still get dry!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 8, 2025
★★★★★ 4
Good but goopy
It's has an amazing taste (think Cinnamon Toast Crunch!), my boyfriend always loves to give me a kiss after I put it on. It's amazing that it's beeswax and tallow, love that. Love that it's a wide size, those are the bet types of chapstick. However.... it's just goopy all the time. It doesnt stay on your lips for that long, either.
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Reviewed in the United States on November 15, 2025
★★★★★ 5
Best balm and scent!
BEST BALM EVER! It keeps my lips nicely moisturized!
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Moisturized lips for a great price
Keeps my lips moisturized. Sometimes get a tingling feeling and but be from the cinnamon. I do like the smell. Will first feel kind of greasy so you don’t need much but after a few hours the greasy feeling goes away and you just have moisturized lips. There’s a lot in the tube so will probably last a while.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2025
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