SKU: 60138856725

Mr. Gasket Copper Seal Header Gaskets - 7165MRG

$65.24 $72.49
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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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:
  1. 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
SKU: 60138856725

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Daniel Ivan
Lake Worth, US
★★★★★ 5
Great for home office
Color: Grey, Color: Grey
This was a great replacement to the chair I use when I work from home, padding is firm and comfortable so I have no issue sitting on it for hours, the arm rest are foldable so is very convenient when my dogs are in co worker duty. Very easy to put together and it feels very firm and stable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
C
Verified Purchase
Carol Ann Everitt
Belleville, US
★★★★★ 5
Thick seat cushion
Color: Grey
This double-layer seat cushion is so comfortable! Before, my lower back would ache after just an hour on a hard bench, but now I can work in this chair for most of the day without feeling tired. The PU leather has a great texture, looks high-end, and is incredibly easy to maintain—just wipe it down with a cloth when it gets dirty. It feels smooth and breathable. The 360-degree swivel is very smooth, making it convenient to reach for documents in the office. The casters roll quietly and won’t scratch the floor. For anyone who spends a lot of time working at a desk, the comfort level at this price point is absolutely worth it. I highly recommend it.
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Reviewed in the United States on March 26, 2026
B
Verified Purchase
Brittany
Massapequa, US
★★★★★ 3
Meh
Color: Black
It's ok. I got it because it looked like it has more cushion and might be more comfortable. Nope. It's the same comfort level as different chairs. My reer still goes numb and gets uncomfortable in this chair. Also, where your arms sit, the chair arms are slightly curved upwards and it causes my chair to be unable to fit under my desk. If they weren't slightly curved, that wouldn't happen. It's just another chair, nothing spectacular.
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Reviewed in the United States on June 13, 2026
J
Verified Purchase
joshua nieves
Massapequa, US
★★★★★ 5
Perfect for work
Color: Grey
Great quality office chair. Easy to put together as there is minimal assembly required with easy to follow instructions. The chair has many sitting options. Makes for a perfect chair to use all day long. Its an ergonomic chair that allows you to adjust tilt tension, arm rest height, chair height, and allows to actually move arm rest upward and out of the way. You can swivel and sway and roll around with ease. Perfect chair for sitting all day. The head rest provides great neck support and the padding is very comfortable and supportive. The wheels are strong and the entire chair is sturdy. Quality material, The cushion is made with memory foam as well as comfort foam. Such a quality chair. This is a great value for the money. I would recommend to anyone that sits for any period of time for work or otherwise .
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Reviewed in the United States on April 15, 2026
F
Verified Purchase
fenglinyang
Massapequa, US
★★★★★ 5
Great chair for everyday use
I’m really happy with this ergonomic chair. It was easy to put together and feels very sturdy once assembled. The mesh back is breathable and keeps my back cool even after sitting for hours. The seat cushion is comfortable and supportive, and the armrests are positioned well for working at a desk. I also like how smoothly the wheels roll and how easy it is to adjust the height. For the price, the quality is honestly better than I expected. I’ve been using it every day for work and it makes long sitting sessions much more comfortable. Definitely a great value and I would recommend it.
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Reviewed in the United States on March 10, 2026

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