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Header Gaskets - Ultra-Seal - 396-454 Chevrolet Big Block Mark IV 1965-90

Mr. Gasket, Ultra-Seal Material, Round Ports, 1.92"

PART# 5911

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$27.06   Suggested Retail
$24.35   Your Price
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Overview

• Manufactured from high-temperature steel core/graphite faced exhaust material. • Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. • Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. • Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. • Can be trimmed if necessary for modified port applications. • For OE replacement, high performance street, drag race and oval track use.

Features:

  • Has A Steel Core With Graphite Facing
  • Graphite Facing Has Excellent Thermo-conductivity
  • Can Be Trimmed If Necessary For Modified Port App

Specs

BrandMr. Gasket
Collector Gaskets IncludedNo
Emission Code5
EngineChevrolet Big Block Mark IV
Gasket LineUltra-Seal
MaterialUltra-seal
Port ShapeRound
Port Size1.92"
Product TypeHeader Gaskets
Thickness.062"
WarrantyLimited 90 Day Warranty
Weight0.4400
Part Number5911

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.

Warranty Information

Limited 90 Day Warranty: See Details

Applications

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      *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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