Ridetech 11329102 78-88 GM GBODY REAR MUSCLEBAR SWAY BARRidetech 11329102 78 88 GM GBODY REAR MUSCLEBAR SWAY BAR Adding a rear swaybar drastically decreases body roll and increases stability. Suspension Location Rear Suspension Type Air Suspension, Coil Over Suspension, StreetGrip Stock Upgrade Year 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988 Make Buick, Chevrolet, Oldsmobile, Pontiac Model Cutlass, Cutlass Supreme, El Camino, Grand National, Grand Prix (69 72), Malibu, Monte Carlo,