Edelbrock Manifold Installation Kit Performer RPM Air-Gap SBC 1957-1986 Natural FinishEdelbrock part #2042 Manifold Installation kit will simplify the process of adding more power and efficiency to your street rod or muscle car. It combines all the necessary components to replace your stock iron intake manifold with an Edelbrock aluminum intake manifold. Kit includes: Performer RPM Air Gap intake manifold #7501, intake gasket set, carburetor base gasket, RTV sealant, intake bolts and carb studs. Matched To Manifolds And Cylinder Heads