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Mr. Gasket Header Gaskets - Aluminum-Layered

Fits 1965-1990 Chevrolet 396-454 Big Block with Square Ports, 1.85 Inch x 1.90 Inch

Part # 7408G Be the first to write a review
In Stock
Holley Days
$30.39
Suggested Retail
$37.52
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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 or exhaust manifold gasket set
  • Reusable header, exhaust manifold and collector flange gaskets
  • Manufactured from "dead soft" aluminum layers - .125" thick
  • Conforms to and seals surface irregularities (warp
  • Will not shrink deteriorate or blow out
  • Conforms easily to surface irregularities (warped flanges)
  • Compresses to .060 creates 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

Using his own '57 Chevy as a rolling testbed, drag racer Joe Hrudka launched the most famous gasket company in the world more than half a century ago. Mr. Gasket is the go-to gasket source for racers with gaskets and fasteners that seal perfectly every time.

Brand Mr. Gasket
Collector Gaskets IncludedNo
Emission Code5
EngineChevrolet Big Block Mark IV
FinishFlat
Gasket LineAluminum-Layered
MaterialAluminum
Port ShapeSquare
Port Size1.85" x 1.90"
Product TypeHeader Gaskets
Special OffersHolley Days
Thickness.125"
WarrantyLimited 90 Day Warranty
Weight1.0000
UPC084041040133
Part Number7408G
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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    Some parts are not legal for use in California or other states with similar regulations.