Mr. Gasket Copper Seal Header Gaskets

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Overview Mr. Gasket Copper Seal Header Gaskets are made from dead soft solid Copper .043 inch thick. This gasket incorporates .051 inch embossment around each port to seal irregula r surfaces, total gasket thickness is .094 inch. Provides excellent sealing and durability. Conforms to and seals minor surface irregularities. designed for high-performance street, drag race, oval track and turbocharged (extreme heat) applications. Fits 1955-1991 Chevrolet 262-400 Gen I Small Block. Round Ports Features Withstands Intense Exhaust Heat Resists Deteriorating Easy Removal For Disassembly Show more