Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Mr. Gasket Copper Seal Header Gaskets - 7165MRGOverview: 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. Sold as a pair. Features: Manufactured from "Dead Soft" (solid) . 043" thick copper material . 051" embossment around each exhaust port to seal irregular
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. Sold as a pair.
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 - 1978 | Mercury | Grand Marquis | 460/7.5 V8 | |
| 1972 - 1978 | Mercury | Marquis | 460/7.5 V8 | |
| 1973 - 1976 | Mercury | Montego | 460/7.5 V8 | |
| 1969 - 1973 | Ford | Country Sedan | 429/7 V8 | |
| 1972 - 1974 | Ford | Country Sedan | 460/7.5 V8 | |
| 1969 - 1973 | Ford | Country Squire | 429/7 V8 | |
| 1972 - 1974 | Ford | Country Squire | 460/7.5 V8 | |
| 1969 - 1973 | Ford | Custom 500 | 429/7 V8 | |
| 1970 - 1973 | Mercury | Montego | 429/7 V8 | |
| 1969 - 1973 | Mercury | Monterey | 429/7 V8 | |
| 1972 - 1974 | Mercury | Monterey | 460/7.5 V8 | |
| 1969 - 1972 | Ford | Custom | 429/7 V8 | |
| 1973 - 1979 | Ford | F-100 | 460/7.5 V8 | |
| 1973 - 1988 | Ford | F-250 | 460/7.5 V8 | |
| 1973 - 1988 | Ford | F-350 | 460/7.5 V8 | |
| 1974 - 1976 | Ford | Gran Torino | 460/7.5 V8 | |
| 1972 - 1978 | Ford | LTD | 460/7.5 V8 | |
| 1974 - 1977 | Ford | Ranchero | 460/7.5 V8 | |
| 1970 - 1976 | Ford | Thunderbird | ||
| 1969 - 1976 | Lincoln | Continental | ||
| 1968 - 1978 | Lincoln | Continental | 460/7.5 V8 | |
| 1972 - 1976 | Lincoln | Mark IV | ||
| 1973 - 1976 | Ford | Torino | 460/7.5 V8 | |
| 1977 - 1978 | Lincoln | Mark V | 460/7.5 V8 | |
| 1973 - 1976 | Mercury | Cougar | 460/7.5 V8 | |
| 1969 - 1973 | Ford | Ranch Wagon | 429/7 V8 | |
| 1973 - 1974 | Ford | Ranch Wagon | 460/7.5 V8 | |
| 1970 - 1973 | Ford | Ranchero | 429/7 V8 | |
| 1968 - 1973 | Ford | Thunderbird | 429/7 V8 | |
| 1972 - 1974 | Ford | Thunderbird | 460/7.5 V8 | |
| 1970 - 1973 | Ford | Torino | 429/7 V8 | |
| 1968 | Lincoln | Continental | 429/7 V8 | |
| 1968 | Lincoln | Mark III | 460/7.5 V8 | |
| 1969 - 1973 | Mercury | Colony Park | 429/7 V8 | |
| 1972 - 1974 | Mercury | Colony Park | 460/7.5 V8 | |
| 1969 - 1971 | Lincoln | Mark III | ||
| 1973 - 1976 | Ford | Custom 500 | 460/7.5 V8 | |
| 1969 - 1973 | Ford | Galaxie 500 | 429/7 V8 | |
| 1973 - 1974 | Ford | Galaxie 500 | 460/7.5 V8 | |
| 1972 - 1973 | Ford | Gran Torino | 429/7 V8 | |
| 1969 - 1973 | Ford | LTD | 429/7 V8 | |
| 1970 | Ford | Mustang | 429/7 V8 | |
| 1969 - 1970 | Mercury | Marauder | 429/7 V8 | |
| 1969 - 1973 | Mercury | Marquis | 429/7 V8 | |
| 1978 | Ford | E-100 Econoline | 460/7.5 V8 | |
| 1975 - 1980 | Ford | E-250 Econoline | 460/7.5 V8 | |
| 1975 - 1988 | Ford | E-250 Econoline Club Wagon | 460/7.5 V8 | |
| 1975 - 1988 | Ford | E-350 Econoline | 460/7.5 V8 | |
| 1977 - 1988 | Ford | E-350 Econoline Club Wagon | 460/7.5 V8 | |
| 1976 | Ford | Elite | 460/7.5 V8 | |
| 1975 - 1979 | Ford | F-150 | 460/7.5 V8 |
Specs:
| Brand | Mr. Gasket |
|---|---|
| Collector Gaskets Included | No |
| Emission Code | 5 |
| Engine | Ford Big Block |
| Gasket Line | Copper-Seal |
| Material | Copper |
| Port Shape | Rectangle |
| Port Size | 1.25" x 2.08" |
| Product Type | Header Gaskets |
| Thickness | .094" |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day Warranty |
| Weight | 0.95 |
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
4.1 ★★★★★
Based on 2211 reviews
Sort
Product Reviews
★★★★★ 5
Space Saver
Perfect fit and easy install. Made more space for my desk within minutes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
★★★★★ 4
Overall great
I LOVE IT. omg exactly what I was looking for. Easy to set up. The only issue is you have to bend over/kneel to set it up and in the process I got an upset stomach, which is why deducted one star. So if you have bowel issues like me, you might want to consider that with this product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 3, 2026
★★★★★ 5
right size for your dock.
Fit perfectly. Everything is nice and neat.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
★★★★★ 5
Sturdy, worked well
Holds it sturdy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
★★★★★ 5
Solid as described
Value for money and easy installation
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 4, 2025