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

Item EK-40-878152-1
38 Reviews of Mr. Gasket
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$71.05

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      Product Information

      Features, Description, Q&A

      Features

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      • Manufactured from “Dead Soft” solid .043" thick copper material
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      • .051" embossment around each exhaust port to seal irregular surfaces
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      • Total gasket thickness .094"
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      • Provides excellent sealing and durability
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      • Conforms to and seals minor surface irregularities
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      • For high performance street, drag race, oval track, and turbocharged extreme heat applications
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      • Fits 1955-1991 Chevrolet 262-400 Gen I Small Block rectangular ports
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      Description

      High Performance Sealing. The Mr. Gasket 1955-1991 Mr Gasket Copper Header Gaskets GEN 1 262-400 w/Round Ports are designed to provide durable, reusable sealing for Chevrolet small block engines. These gaskets create a tight seal between exhaust headers and cylinder heads, preventing exhaust leaks and improving engine efficiency in racing and high-performance applications.

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      Construction and Appearance. Crafted from “Dead Soft” solid copper material with a thickness of .043", these gaskets feature a .051" embossment around each exhaust port for enhanced sealing of irregular surfaces. The total gasket thickness is .094", offering resilience and flexibility to conform and seal minor surface imperfections. The copper finish supports excellent heat tolerance and durability under extreme conditions.

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      Installation. Installation is straightforward and requires no special modifications or drilling. These gaskets fit directly onto stock cylinder heads, making them suitable for a wide range of performance builds without additional preparation.

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      Warranty. This product comes with a manufacturer’s limited 90-day warranty.

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      Application. This gasket set fits Chevrolet 262-400 Gen I Small Block engines from 1955 to 1991 featuring rectangular ports. It is intended for high performance applications and is compatible with stock heads unless otherwise noted.

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

      4.5

      Reviews of Mr. Gasket Classic Engine Products (38)

      Questions & Answers

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