1965 – ’81 Pontiac 455, 428, 421, 400, 389, 350, 326, 301 Pontiac intake gasket set Best Gasket 17078E from BOP Engineering. These intake gaskets have a removable section that allows the use of a blocked or flow through crossover. Port size is 1.200 x 2.235 inches. We have specialized in gaskets and seals for over 25 years and have a reputation second to none in service and quality. Buy with confidence.
