OER Parts offers a wide selection of Foam Padding & Seat Buns for your 1971 Pontiac Firebird. OER Parts offers 1971 Pontiac Firebird Standard Seat Foam, 1971 Pontiac Firebird Deluxe Seat Foam, 1971 Pontiac Firebird Seat Burlap Set, 1971 Pontiac Firebird Universal Seat Foam, 1971 Pontiac Firebird Bucket Seat Foam, 1971 Pontiac Firebird Front Split-Bench Seat Foam, and 1971 Pontiac Firebird Rear Bench Seat Foam.