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1955-1991 Mr Header Gaskets GEN 1 262-400 w/Round Ports 1.5

Item EK-61-878093-1
38 Reviews of Mr. Gasket
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$35.37

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      Product Information

      Features, Description, Q&A

      Features

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      • Manufactured from high-temperature steel core with graphite-faced exhaust material
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      • Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
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      • Graphite facing offers excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
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      • Conforms to and seals minor surface irregularities
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      • High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load
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      • Can be trimmed if necessary for modified port applications
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      • Suitable for original equipment replacement, high performance street, drag race, and oval track use
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      • Withstands intense exhaust heat
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      • Graphite-impregnated facing
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      • Steel expanded metal core
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      • Superior tensile strength
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      • Resists deterioration
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      • Anti-stick properties for easy removal during disassembly
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      • Fits 1955 to 1991 Chevrolet 262-400 Gen I Small Block engines with round ports and 1.50 inch size
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      Description

      High-Quality Header Gasket. The Mr. Gasket 1955-1991 Mr Header Gaskets GEN 1 262-400 with Round Ports 1.5 is designed to seal exhaust headers effectively, preventing leaks and ensuring optimal engine performance. It replaces or upgrades header gaskets to maintain exhaust system integrity under high-temperature and high-pressure conditions. This gasket plays a crucial role in heat management and sealing between the cylinder head and exhaust manifold or header.

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      Construction and Appearance. Made from a high-temperature steel core with graphite-faced exhaust material, this gasket features an expanded steel core providing superior stability and torque retention. The graphite-impregnated facing offers excellent heat resistance and thermal conductivity to dissipate heat from the cylinder head. It has a flat finish and a thickness of 0.062 inches, designed to conform to surface irregularities and maintain a tight seal.

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      Installation. Installation is straightforward and does not require drilling; it replaces the original gasket using existing bolts and holes. The high recovery material ensures the flange remains sealed even if the clamp load is lost, making it suitable for performance and racing applications.

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      Warranty. This product includes a manufacturer's limited 90-day warranty.

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      Application. Fits Chevrolet 262-400 Gen I Small Block engines manufactured from 1955 to 1991, compatible with round ports measuring 1.50 inches. Suitable for original equipment replacement, high-performance street use, drag racing, and oval track applications.

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

      4.5

      Reviews of Mr. Gasket Classic Exhaust Products (38)

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