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Mr. Gasket Header Gaskets - Aluminum-Layered

Fits 1965-1990 Chevrolet 396-454 Big Block with Round Ports

Part # 7407G Be the first to write a review

Mr. Gasket Header Gaskets - Aluminum-Layered

In Stock
Free Shipping on orders over $150*
$39.95
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5

Emissions

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.

See Emissions Details
Upgrade to Mr. Gasket Aluminum Layered Header Gaskets and eliminate blown exhaust gaskets forever. They conform to warped and damaged surfaces to create an airtight, leak-proof seal and will not shrink or deteriorate EVER.

Features:

  • Reusable header, exhaust manifold and collector flange gaskets
  • Manufactured from "dead soft" aluminum layers - .125" thick
  • Conforms easily to surface irregularities (warped flanges)
  • Compresses down to 0.060" to create a tight leak-proof seal
  • Will not shrink, deteriorate, or blow out- eliminating gasket leaks
  • For high performance street, drag race and oval track use

About Mr. Gasket

Explore Mr. Gasket's range of performance auto parts for engines, exhaust systems, and more at our official retailer, Holley.com!

Brand Mr. Gasket
Clearance CategoryExhaust
Collector Gaskets IncludedNo
Discount Percentage26-50%
Emission Code5
EngineChevrolet Big Block Mark IV
Gasket LineAluminum-Layered
MaterialAluminum
Port ShapeRound
Port Size1.92"
Product TypeHeader Gaskets
Sale CategoryExhaust
Thickness.125"
WarrantyLimited 90 Day Warranty
Weight0.5600
UPC084041174074
Part Number7407G
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.
Limited 90 Day Warranty: See Details
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.