The kit comes complete with both springs and shocks that are optimized for each specific application by combining the correct coil spring rates and accurate shock dampening force. It is height adjustable from 0 - 4 inches and engineered to provide a responsive, quality ride through the full range of height adjustability...a perfect match for show, street, drift or race enthusiast! The Skunk2 Pro Series Coilover System is manufactured with top quality Billet components, a reliable dual perch locking system, and the industry experience on which Skunk2 has built its reputation.