Developed for the professional off-road racer, the Bilstein 9100 Series is truly state-of-the-art. The line of 9100 shocks are a extreme duty take-apart damper designed for off-road racing. They are available in standard smooth body, coilover and bypass configurations. Bilstein also offers a line of 9100 series coilovers designed specifically for rockcrawling applications. Rest assured no matter what type of racing you intend to compete in, Bilstein will have you covered.