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Mr. Gasket

Mr. Gasket Ultra-Seal Header Gaskets

Fits 1955-1991 Chevrolet 262-400 Gen I Small Block. Oval Ports, 1.50 Inch x 1.82 Inch

Part # 5917 Be the first to write a review
Estimated shipping date: 02/21/2022
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Holley Days Price
$30.17
Suggested Retail
$37.24
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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 original equipment replacement, high performance street, drag race and oval track use.

Features:

  • Manufactured from high-temperature steel core/graphite faced exhaust material
  • Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
  • Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
  • Conforms to and seals minor surface irregularities
  • Can be trimmed if necessary for modified port applications
  • For OE replacement, 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 Small Block Gen I
Gasket LineUltra-Seal
MaterialUltra-seal
Port ShapeOval
Port Size1.50" x 1.82"
Product TypeHeader Gaskets
Thickness.062"
WarrantyLimited 90 Day Warranty
Weight0.3000
UPC084041059173
Part Number5917
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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     X  Holleydays 2021
     X  Holleydays 2021