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Mr. Gasket Ultra-Seal Header Gaskets

Fits 1978-2014 GM 90 degree V6. Square Ports, 1.55 Inch x 1.63 Inch

Part # 5958MRG

Mr. Gasket Ultra-Seal Header Gaskets

Not Available

5

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.

See Emissions Details
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.

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

Explore Mr. Gasket's range of performance auto parts for engines, exhaust systems, and more at our official retailer, Holley.com!

Brand Mr. Gasket
Collector Gaskets IncludedNo
Emission Code5
EngineGM 90 Degree V6
Gasket LinePerformance
MaterialPerformance
Port ShapeSquare
Port Size1.55" x 1.63"
Product TypeHeader Gaskets
Thickness.062"
WarrantyLimited 90 Day Warranty
Weight0.2500
UPC084041059586
Part Number5958MRG
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.
Fits 1978-2014 GM 90 degree V6 3.3, 3.8, 4.3L engines
Limited 90 Day Warranty: See Details

*Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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