Eibach 3855.140 Pro-Kit Performance Spring Kit Fits 1964-1966 Oldsmobile Cutlass and 442, RWD and Buick Skylark GS (both A-Body, V8, SmallBlock) Fits 1964-1966 Chevrolet Chevelle, including SS and Malibu and El Camino (all A-Body, V8, Small Block) Fits 1964-1966 Pontiac Le Mans, Tempest and GTO (all A-Body, V8, Small Block) Stop quicker, corner faster and get better MPG along with excellent ride quality Lowers Front by 1" / Rear by 1" (Included 2 Front and 2 Rear Springs)