Mr. Gasket Copper Seal Header Gaskets - 7171MRG
SKU: 45724061674

Mr. Gasket Copper Seal Header Gaskets - 7171MRG

$66.50 $73.89
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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:
  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: 45724061674

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geg
Houston, US
★★★★★ 5
Fit was true to size.
Color: Light Blue White Plaid, Size: Large
Very nice and the fit was perfect.
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Reviewed in the United States on May 18, 2026
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Bethany C.
Belleville, US
★★★★★ 4
Excellent Quality and Value
Color: Light Blue White Plaid, Size: Small
This shirt is an excellent value, looks great on my husband and comes out of the dryer looking perfect. However, I ordered this plaid and another plaid pattern and received 2 of this same plaid. I will seek out this brand in my future purchases for the high quality.
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Reviewed in the United States on May 24, 2026
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Alan J Condo
Chelsea, US
★★★★★ 5
Men’s shirts
Color: Red Navy Check, Size: Large
They are very comfortable
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Reviewed in the United States on May 26, 2026
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KG
West Palm Beach, US
★★★★★ 5
Great shirt!
Color: White Blue Plaid, Size: X-Large
This is a great shirt for hot summer days. I really like all the Coofandy shirts I’ve bought!
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Reviewed in the United States on May 22, 2026
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Rich
New York, US
★★★★★ 3
Runs small
Color: Purple Plaid, Size: X-Large
Well made. Runs small.
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Reviewed in the United States on April 12, 2026

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