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Mr. Gasket

Mr. Gasket 7167MRG Copper Seal Header Gaskets

Part # 7167MRG Be the first to write a review

Compatible with 1958-1979 Mopar 383-440 B/RB Big Block Except Hemi. Rectangular Ports, 1.78 Inch x 1.48 Inch

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Mr. Gasket 7167MRG Copper Seal Header Gaskets

Estimated Ship Date: 11/06/2026
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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
Brand Mr. Gasket
Emission Code5
Product TypeHeader and Collector Gaskets
WarrantyManufacturer's Limited 90 Day
UPC084041071670
Manufacturer Part Number7167MRG
Part Number7167MRG
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instruction Sheet for Part# 7167
Manufacturer's Limited 90 Day: See Details
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    Some parts are not legal for use in California or other states with similar regulations.