Buick Riviera 1979 - 1985 Fiberglass Bumper Fillers Front & Rear (Set of 7 Pcs) This listing offers a set of 7 Pcs - Front & Rear Bumper Fillers for Buick Riviera 1979 - 1985 Fits: Buick Riviera 1979 - 1985 Model Cars All kits are sold as unfinished products, prep-work (i.e. sanding, cutting, filling, body work and primer) and painting is required for the best finished look. Items come in gray primer. Professional shop with body kit installation experience recommended.