A complete damper and spring kit, the TrackDay kit is capable for standard road use, but is specifically designed to have an optimum handling on the track. The wide range of 64 predefined damping curves, and the ability the change springs and use several different spring rates, provides adaptability for many track and road conditions. The cooperation between KONI and H&R Springs will prove to be an asset, giving you the option to best tune your car to the maximum setup for both road, as well as track day use.