Fits Application Detail Years Buick Electra 2 drs | Hardtop, Rear, Constant Rate Spring, 1966 Buick LeSabre Rear, Constant Rate Spring, 1965 - 1967 Buick LeSabre Rear, Constant Rate Spring, 1969 Buick LeSabre 2 drs | Convertible, Rear, Heavy Duty, , Constant Rate Spring, 1967 - 1968 Buick LeSabre 4 drs | Sedan, Rear, Heavy Duty, , Constant Rate Spring, 1967 Buick LeSabre 5.7 V8 GAS CARB -cc, Rear, Constant Rate Spring, 1970 Buick Riviera Rear, Constant Rate Spring, 1966 - 1970 Buick Wildcat Rear, Constant Rate Spring, 1965 Oldsmobile Delmont 88 5.4 V8 GAS CARB 5409cc, Rear, Constant Rate Spring, 1967 Oldsmobile Delmont 88 7.0 V8 GAS CARB 6966cc, Rear, C.