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1965-1990 Mr Header Gaskets Chevrolet 396-454 Mark IV Square Ports 1.85 Inch x 1.90 Inch

Item EK-61-878149-1
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$26.23

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      Product Information

      Features, Description, Q&A

      Features

      • High-Temperature Material With Perforated Steel Core
      • Precision-Matched Super Competition Header Gaskets
      • OEM Quality Construction With Thick .060 Inch Thickness
      • Synthetic Hi-Temperature Fiber Gasket Material
      • Excellent Adhesion And Grip For Superior Sealing
      • Exact Fit Compliance Between Cylinder Head And Header Flange
      • Improves Exhaust Flow And Sealing Under Extreme Conditions
      • Rectangle Port Shape Measuring 1.85 By 1.80 Inches
      • Designed For GM Big Block Mark IV Engines
      • Does Not Include Collector Gaskets
      • Fits Chevrolet and GMC Vehicles From 1965 Through 1990

      Description

      Premium Exhaust Seal. The Hooker BlackHeart Super Competition Header Gaskets with rectangle port design are engineered to provide a reliable and precise exhaust seal between the cylinder head and header flange. These high-performance gaskets maintain exhaust flow and prevent leaks under extreme temperature and operating conditions, ensuring optimal engine efficiency and durability.

      Construction and Appearance. Manufactured from a thick synthetic high-temperature fiber material reinforced with a perforated steel core, these gaskets deliver outstanding adhesion and durability. Their robust construction ensures a rigid, precise fit that enhances sealing effectiveness while withstanding intense heat and pressure commonly encountered in GM big block Mark IV engines.

      Installation. Installation is straightforward and requires no drilling or modification of existing components. The precision-matched design provides a direct replacement with a secure and exact fit, suitable for professional mechanics or experienced enthusiasts.

      Application. Specifically designed to fit Chevrolet and GMC vehicles equipped with big block Mark IV engines from 1965 through 1990, this gasket accommodates a wide range of models including pickups, SUVs, and classic muscle cars.

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

      Questions & Answers

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