Ridetech 11059122 58-64 IMPALA REAR SWAY BARRidetech 11059122 58 64 IMPALA REAR SWAY BAR Adding a rear swaybar on the GM B body drastically decreases body roll and increases stability. Ridetechs swaybars are a direct bolt on to yRidetechs OE trailing arms. Suspension Location Rear Suspension Type StreetGrip Stock Upgrade Year 1958, 1959, 1960, 1961, 1962, 1963, 1964 Make Chevrolet Model Bel Air, Biscayne, Brookwood, El Camino (59 60), Impala, Kingswood, Nomad, Parkwood