Individual lowering adjustment range of 1.2-2.3" on the front axle and rear axle. Spring Rates: Front=285 / Rear=Progressive The system intended for the experienced driver who requires to not only determine the individual lowering of their vehicle, but adjust the damper setting to fine tune the system to their needs. The adjustable rebound damper allows adjustment of the pitch and roll behavior of the vehicle, adapting it to ones own driving preferences ﾢ Damping technology with individually adjustable rebound ﾢ Inox-line stainless steel technology at no additional charge ﾢ Individually height adjustable ﾢ German TUEV-tested adjustment parameters ﾢ High-quality components for long life ﾢ Comprehensive documentation for ease of use ﾢ Infinitely adjustable rebound damping