The performance specific internal components of Skyjackers shocks respond to the on and off-road conditions instantly. Whether you are going over rough or smooth terrain at slow or fast speeds, the true velocity sensitive valving produces a stable, controlled level of resistance for better handling, improved stability, and maximum comfort. The technological innovations of these durable, long lasting shocks from Skyjacker deliver a noticeable advantage over the original equipment and other shock dampeners. Skyjackers shock absorbers deliver a safe, comfortable ride with improved handling and stability. They keep the tires in contact with the terrain and put you in control of the road ahead. Collapsed Length :17.36 inch,Extended Length :29.83 inch.