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Mr. Gasket

Mr. Gasket Performance Header Gaskets

Fits 1969-1970 Boss 302, 1971 Boss 351, 1970-1974 Ford 351C-4V. Rectangular Ports, 1.90 Inch x 2.20 Inch

Part # 258G Be the first to write a review
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Holley Days Price
$23.00
Suggested Retail
$25.56
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Mr. Gasket Performance exhaust gasket material is a heavy duty material, .062 inch thick, consisting of an acrylic binder system to resist high temperature. This material is made for sealing exhaust applications. Provides excellent sealing and durability.

Features:

  • Manufactured from high-temperature acrylic blend exhaust material
  • Provides excellent sealing and durability
  • 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
EngineFord Boss
Gasket LinePerformance
MaterialPerformance
Port ShapeRectangle
Port Size1.90" x 2.20"
Product TypeHeader Gaskets
Thickness.062"
WarrantyLimited 90 Day Warranty
Weight0.3000
UPC084041002582
Part Number258G
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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