Edelbrock exhaust gaskets #7281 are designed for 1961–1979 Pontiac V8 engines including 326–389–400–421–428–455 applications and are supplied as a pair. Constructed from EnCore HTX-900, a high-density non-asbestos fiber/metal core composite with graphite-coated heat-resistant layers mechanically fused to an expanded steel core, they offer high heat resistance, load retention and a 50% recovery rate for header sealing.
Edelbrock Exhaust Gasket Set (2) Pontiac 389-455