Seller notes

Compatible with 1963-1979 Pontiac 326-455. Oval/D-Shaped Ports, 1.55 Inch x 1.94 Inch; Mr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.; Menu About Us Feedback View All Listings Warranty Shipping Mr. Gasket 7171MRG Copper Seal Header Gaskets Click to enlarge Part ...

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