1971 – 1973 Chevrolet Caprice. 1971 – 1972 Chevrolet Caprice. 1973 – 1974 Chevrolet Caprice. 1974 – 1974 Chevrolet Caprice. For both front and rear of suspensions on cars, trucks and SUVs. Made of Energy’s Hyper-Flex performance polyurethane for optimum performance and durability.