Mr. Gasket Performance Valve Cover Gaskets

Fits 1960-1986 Chevrolet 262-400 Small Block with Jessel Rocker Shafts

PART# 5864

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Mr. Gasket Performance Series valve cover gaskets are manufactured from a high-density cork/rubber blend material. They provide excellent sealing and durablity and are suitable for original equipment replacement, high performance street, drag race and oval track use. Sold as a pair. These are an extra thick .312 inch to help with valvetrain clearance and have been specially notched for use with Jessel rocker arm shaft assemblies.


  • Manufactured from high-density cork/rubber blend gasket material
  • Provides excellent sealing and durability
  • For OE replacement, high performance street, drag race and oval track use
  • An extra thick .312" for additional valvetrain clearance
  • Specially notched for Jessel shaft rocker arm assemblies


ApplicationSmall Block Chevy
Bolt PatternPerimeter
BrandMr. Gasket
Emission Code5
EngineChevrolet Small Block Gen I
PackagingRetail - Skin Pack
Product TypeValve Cover Gaskets
Valve Cover Gasket MaterialPerformance
Valve Cover Gasket Thickness.312"
Part Number5864


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.


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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.

         X  2020 LS Giveaway
         X  2020 LS Giveaway