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1965-1990 Mr Header Gaskets Chevrolet 396/454 Round Ports 1.85 Inch x 1.90 Inch

Item EK-40-878111-1
38 Reviews of Mr. Gasket
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$44.39

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      Product Information

      Features, Description, Q&A

      Features

      • Fits 1965-1990 Chevrolet 396-454 Big Block Round Ports 1.85 Inch X 1.90 Inch
      • Manufactured From High-Temperature Acrylic Blend Exhaust Material
      • Provides Excellent Sealing And Durability
      • Precision Die-Cut For An Excellent Fit
      • Can Be Trimmed If Necessary For Modified Port Applications
      • For OE Replacement High Performance Street Drag Race And Oval Track Use
      • Thickness 0.062 Inch
      • Part Of Performance Gasket Line
      • Covers Chevrolet Big Block Mark IV Engine
      • Legal For Sale Or Use On Emissions Controlled Vehicles, Uncontrolled Non-Emissions Controlled Vehicles, And Racing Use Only Vehicles
      • Manufacturer's Limited 90 Day Warranty

      Description

      High-Performance Header Gaskets. The Mr. Gasket 1965-1990 Big Block header gaskets are designed to provide exceptional sealing for Chevrolet Big Block engines featuring round ports. These gaskets help maintain optimal performance by preventing exhaust leaks under high-temperature conditions, essential for street, drag race, and oval track applications.

      Construction and Appearance. Constructed from durable high-temperature acrylic blend exhaust material, these header gaskets are 0.062 inch thick and feature precision die-cut ports that match engine specifications. Their heavy-duty material composition ensures excellent sealing, maximum torque retention, and resistance to gasket failure.

      Installation. Installation is straightforward with precision die-cut ports providing an excellent fit. The gasket can be trimmed if necessary for modified port applications, making it adaptable yet user-friendly for most mechanics and enthusiasts.

      Warranty. These gaskets come with a manufacturer’s limited 90-day warranty, providing assurance of quality and reliability.

      Application. Specifically designed to fit Chevrolet Big Block Mark IV engines with 1.85 x 1.90 inch round ports manufactured between 1965 and 1990, these gaskets are suitable for original equipment replacement and high-performance use within this exact model range.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.5

      Reviews of Mr. Gasket Classic Exhaust Products (38)

      Questions & Answers

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