OER Parts offers a wide selection of Package Tray / Rear Seat Shelf your 1968 Pontiac Firebird. OER Parts offers 1968 Pontiac Firebird OEM Style Rear Seat Shelves, 1968 Pontiac Firebird Rear Seat Shelf, 1968 Pontiac Firebird Deluxe Rear Seat Shelf, 1968 Pontiac Firebird Deluxe Mesh Rear Seat Shelf, 1968 Pontiac Firebird Vinyl Covered Seat Shelves, 1968 Pontiac Firebird Seat Shelves with speaker cutouts, 1968 Pontiac Firebird Seat Shelves without speaker cutouts, and 1968 Pontiac Firebird Seat Shelves with with or without center speaker.