Exhaust Manifold Gasket: Olds 403 for Headers - Set This series is for the

This series is for the floor pan design of the 1967-69 Firebird only and is a set of FOUR

hope to get more but its a legal PITA

Camaro 1967-1974

Good alternatives are the reproduction PV's

& 68-72 Nova

Exhaust Manifold Gasket: Olds 403 for Headers - Set This series is for theThese premium exhaust gaskets from Mr. Gasket are designed and constructed to improve the sealing of exhaust header flanges. Unlike standard exhaust gasket material, Ultra Seal exhaust gaskets incorporate a graphite impregnated facing and a steel expanded metal core that reinforce and increase the tensile strength. This allows the gaskets to conform to warped flanges, giving them better sealing capabilities without deteriorating or cracking under the