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Header Gaskets - Aluminum-Layered - 262-400 Chevrolet Small Block Gen I 1955-91

Mr. Gasket, Aluminum Layered Material, Round Ports

PART# 7402G

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$29.41   Suggested Retail
$26.47   Your Price
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  • Withstands Intense Exhaust Heat
  • Reusable header, exhaust manifold and collector flange gaskets
  • Resists Deteriorating
  • Manufactured from "dead soft" aluminum layers - .125" thick
  • Easy Removal For Disassembly
  • Conforms easily to surface irregularities (warped flanges)
  • Compresses down to 0.60" 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


BrandMr. Gasket
Collector Gaskets IncludedNo
Emission Code3
EngineChevrolet Small Block Gen I
Gasket LineAluminum-Layered
Port ShapeRound
Port Size1.63"
Product TypeHeader Gaskets
WarrantyLimited 90 Day Warranty
Part Number7402G


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

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        *Free Shipping & Handling only offered to the contiguous US on orders over $100.

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