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Mr. Gasket Header Gaskets - Performance

Fits 1965-1990 Chevrolet 396-454 Big Block. Round Ports, 1.92 Inch

PART# 152

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Mr. Gasket's Performance Header Gaskets are manufactured from a heavy duty high-temperature material, .062 inch thick, consisting of an acrylic binder system to resist high temperature. Provides excellent sealing and durability with maximum torque retention to eliminate gasket failure. While precision die-cut for an excellent fit, it can be trimmed if necessary for modified port applications. For OE replacement, higher performance street, drag race and oval track use.

Fits Chevrolet 396,402,427,454 Gen IV Big Blocks with Round Ports up to 1.92 inches in diameter.


  • Provides excellent sealing and durability.
  • Precision die-cut for an excellent fit
  • Manufactured from high-temperature acrylic blend exhaust material
  • Can be trimmed if necessary for modified port applications
  • For OE replacement, high performance street, drag race and oval track use


BrandMr. Gasket
Collector Gaskets IncludedNo
Emission Code5
EngineChevrolet Big Block Mark IV
Gasket LinePerformance
Port ShapeRound
Port Size1.92"
Product TypeHeader Gaskets
WarrantyLimited 90 Day Warranty
Part Number152



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.

Warranty Information

Limited 90 Day Warranty: See Details


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