Exhaust Manifold Gasket: Pontiac Set: SD & Ram Air (Round Port) -TIN 1973 GM Pontiac factory manual

1973 GM Pontiac factory manual

Ask if your prefering those

that's ONE difference

and if you need the base gaskets as well or none

GS400 1967-69

Exhaust Manifold Gasket: Pontiac Set: SD & Ram Air (Round Port) -TIN 1973 GM Pontiac factory manualTIN gaskets Always use a exhaust gasket compound or silastic sealer with these. These are the rarer ROUND port exhaust gaskets used on many "Ram Air" & Super Duty & HO applications from 68 74 era Not the normal exhaust gasket. Noting too.. some exhaust RA manifolds had only THREE bolt holes.. some 5 different years they did different designs. Each gasket in this pair of premium gaskets has a graphite impregnated facing.