Mr. Gasket

Copper Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Big Block with Round Ports Mr Gasket

$249.22

SKU: M00S 7157MRG

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item

Description

Part #: 7157MRG

Mr. Gasket Copper Seal 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.Manufactured from Dead Soft (solid) .043 Inch thick copper material.051 Inch embossment around each exhaust port to seal irregular surfaces. Total Gasket thickness .094 InchProvides excellent sealing and durabilityConforms to and seals minor surface irregularitiesFor high performance street, drag race, oval track and turbocharged (extreme heat) applicationsDetails:Collector Gaskets Included: NoEmission Code: 5Gasket Line: Copper-SealMaterial: CopperPort Shape: RoundPort Size: 1.92Warranty: Manufacturer's Limited 90 Day Warranty

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

Exhaust Manifold / Header Gasket - Copperseal - 1.920 in Round Port - Copper - Big Block Chevy - Pair

Fitment

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Specifications

BrandMr. Gasket
Part NumberM00S 7157MRG

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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