OER Parts offers a wide selection of Sill Plates for your 1978 Pontiac Phoenix. OER Parts offers 1978 Pontiac Phoenix 2 Door Door Sill Plates, 1978 Pontiac Phoenix 4 Door Door Sill Plate, 1978 Pontiac Phoenix Billet Sill Plates, 1978 Pontiac Phoenix ABS Sill Plates, 1978 Pontiac Phoenix Chrome Sill Plates, 1978 Pontiac Phoenix Aluminum Sill Plates, 1978 Pontiac Phoenix Carbon Fiber Sill Plates, and 1978 Pontiac Phoenix Sill Plate Screw Set.