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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
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Description
Mr. Gasket Ultra-Seal Header Gaskets - 5921Overview: Manufactured from high temperature steel core graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp
Overview:
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.
Features:
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1967 - 1978 | Pontiac | Bonneville | 400/6.6 V8 | |
| 1967 | Pontiac | Catalina | 428/7 V8 | |
| 1965 - 1969 | Pontiac | Catalina | ||
| 1970 - 1978 | Pontiac | Catalina | 400/6.6 V8 | |
| 1970 - 1976 | Pontiac | Catalina | 455/7.5 V8 | |
| 1965 - 1970 | Pontiac | Bonneville | ||
| 1966 | Pontiac | Bonneville | 421/6.9 V8 | |
| 1971 - 1976 | Pontiac | Bonneville | 455/7.5 V8 | |
| 1967 | Pontiac | Firebird | 326/5.3 V8 | |
| 1968 - 1977 | Pontiac | Firebird | 350/5.7 V8 | |
| 1971 - 1976 | Pontiac | Firebird | 455/7.5 V8 | |
| 1970 - 1977 | Pontiac | Catalina | 350/5.7 V8 | |
| 1968 - 1979 | Pontiac | Firebird | 400/6.6 V8 | |
| 1977 | Pontiac | Bonneville | 350/5.7 V8 | |
| 1973 - 1975 | Pontiac | Grand Am | 400/6.6 V8 | |
| 1965 - 1970 | Pontiac | Grand Prix | ||
| 1966 | Pontiac | Grand Prix | 389/6.4 V8 | |
| 1967 - 1977 | Pontiac | Grand Prix | 400/6.6 V8 | |
| 1967 | Pontiac | Grand Prix | 428/7 V8 | |
| 1971 - 1976 | Pontiac | Grand Prix | 455/7.5 V8 | |
| 1971 - 1978 | Pontiac | Grand Safari | 400/6.6 V8 | |
| 1971 - 1976 | Pontiac | Grand Safari | 455/7.5 V8 | |
| 1973 - 1975 | Pontiac | Grand Am | 455/7.5 V8 | |
| 1973 - 1975 | Pontiac | Grand Am | 350/5.7 V8 | |
| 1972 - 1975 | Pontiac | Grandville | 455/7.5 V8 | |
| 1973 - 1975 | Pontiac | Grandville | 400/6.6 V8 | |
| 1965 - 1970 | Pontiac | GTO | ||
| 1966 | Pontiac | Grand Prix | 421/6.9 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 | |
| 1968 - 1977 | Pontiac | LeMans | 350/5.7 V8 | |
| 1968 - 1977 | Pontiac | LeMans | 400/6.6 V8 | |
| 1970 - 1976 | Pontiac | LeMans | 455/7.5 V8 | |
| 1971 | Pontiac | Grandville | ||
| 1966 | Pontiac | Star Chief | 389/6.4 V8 | |
| 1965 | Pontiac | Star Chief | ||
| 1966 | Pontiac | Star Chief | 421/6.9 V8 | |
| 1972 - 1976 | Pontiac | Ventura | 350/5.7 V8 | |
| 1965 - 1967 | Pontiac | Tempest | 326/5.3 V8 | |
| 1967 | Pontiac | Executive | ||
| 1968 - 1970 | Pontiac | Executive | 400/6.6 V8 | |
| 1968 - 1970 | Pontiac | Tempest | 350/5.7 V8 | |
| 1968 - 1969 | Pontiac | Executive | 428/7 V8 | |
| 1968 - 1970 | Pontiac | Tempest | 400/6.6 V8 | |
| 1970 | Pontiac | Executive | 455/7.5 V8 | |
| 1975 - 1977 | Pontiac | Grand LeMans | 350/5.7 V8 | |
| 1975 - 1976 | Pontiac | Grand LeMans | 455/7.5 V8 | |
| 1975 - 1977 | Pontiac | Grand LeMans | 400/6.6 V8 | |
| 1976 - 1977 | Pontiac | Grand Prix | 350/5.7 V8 | |
| 1966 | Pontiac | Bonneville | 389/6.4 V8 | |
| 1967 | Pontiac | Bonneville | 428/7 V8 |
Specs:
| Brand | Mr. Gasket |
|---|---|
| Collector Gaskets Included | No |
| Emission Code | 5 |
| Engine | Pontiac V8 |
| Gasket Line | Ultra-Seal |
| Material | Ultra-seal |
| Port Shape | Oval / D |
| Port Size | 1.46" x 1.93" |
| Product Type | Header Gaskets |
| Thickness | .062" |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day Warranty |
| Weight | 0.38 |
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
4.4 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 4
Skin
Good power cord with multiple functions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2025
★★★★★ 5
Excellent Power Strip for Convenient Charging Options
I recently purchased the HOPOW Flat Plug Power Strip for my son's desk, and it has been an excellent addition to his workspace. This power strip offers a range of convenient features that have greatly impressed me.
First and foremost, the inclusion of USB A and USB C charging options is a game-changer. It's incredibly convenient to have both options readily accessible on the top of the power strip rather than tucked away on the side. This design choice ensures easy and quick charging for various devices without any hassle.
One aspect that sets this power strip apart is the individual switches with LEDs for each plug. These switches provide an added level of control, allowing me to turn off specific devices when not in use without affecting others. The LEDs also serve as handy indicators, making it easy to identify which devices are powered on at a glance.
In terms of build quality, the HOPOW Flat Plug Power Strip has truly impressed me. It feels solid and durable, giving me confidence that it will withstand regular use. The flat plug design is a clever addition, as it allows the power strip to sit flush against the wall, saving valuable space on my son's desk.
Overall, I am extremely pleased with my purchase of the HOPOW Flat Plug Power Strip. Its convenient USB charging options, easily accessible plugs, individual switches with LEDs, and impressive build quality have made it an invaluable asset for my son's desk. I highly recommend this power strip to anyone in need of a reliable and user-friendly charging solution.
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Reviewed in the United States on June 27, 2023
★★★★★ 5
switched each outlet extension cord
This is a great extension cord. The plug is flat to the wall and offset so you can use 2 plugs together in one double wall outlet. The extension cord has a switch for each outlet to turn on or off each outlet. You can control all your lights and fans from one place, also has USB-C = 2each and USB-A = 2each. Cord is extra long to find a wall outlet, colored white to blend in.
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Reviewed in the United States on December 9, 2025
★★★★★ 5
Great Power Strip to save energy.
I bought this power strip for my coffee maker, frothier, and water purification system. All of these items are never in use all day long and pull electricity if remained plugged in. Which means they cost me money when not in use. This power strip makes it energy efficient to have appliances plugged in and ready to use while saving on energy costs. I used my label maker to identify which switch was which. I plugged in the appliances to the power strip and shut off all the switches. And it works great. When I want to turn on the coffee machine I flip the switch that says Coffee Machine and know that I am only turning on that one appliance not all. That is the problem with most power strips. You have a master switch that turns them all on. This power strip turns one on at a time. Or you can turn all on by flipping each switch or two on at the same time. You are in control. I liked it so much that I bought two more. One for the kitchen appliances (Foodsaver, hot water kettle, etc.) and one for the home office. Can turn on shredder, and other computer devices as I need to.
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Reviewed in the United States on August 16, 2023
★★★★★ 5
Does the job
Size: 10 Ft (Type B with Clamp), Color: White
I think the clamp could be some show shorter, but the product looks nice and minimalistic and works perfectly.
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Reviewed in the United States on April 13, 2026