The Rancho shocks are the name to trust when you want the ultimate performance shocks for the ultimate performance of the vehicle. Once you get the shocks made by Rancho, you can be absolutely sure that your vehicle will be very comfortable and you will be able to have the precision handling that you have been dreaming to have. The replacement shocks by Rancho are specifically designed for the needs of hard working SUVs and trucks. They are equipped with extended travels and high volume fluid chambers so they are really fit for the larger vehicles. Rancho has been in the business long enough o know what every vehicle needs. When it comes to replacement shocks that you can put your faith into, you must be speaking of the Rancho shocks. The shocks or the shock absorbers can be found on the suspension system of the vehicle. What they do is they dampen the vibrations caused by the springs of the suspension system. They make the ride more comfortable and they also provide better handling thus providing a better and safer ride. Each Rancho RS5000 unit comes with 10 stage velocity sensitive valving and features a twin tube cellular gas design which virtually eliminates shock fade. Rancho RS5000 units have 5/8" diameter piston rods on most applications and 1 3/8" diameter pistons for extra durability and long service life.