Very Hard to Find Original Cast Iron Intake Manifold from a 65 Olds Cutlass 330 small block with 4 Barrel 4GC Carburetor Casting # 387691. Very nice gasket surfaces.  Intake manifold has been lightly blasted for clean up and treated with OSPHO metal treatment to prevent rusting. Payment in 5 days plus  shipping and handling to the lower 48.