Fabtech 3" Suspension Lift FABK4107MThe Sport system features American made coil springs that are a Dual Rate design allowing for long travel suspension use offroad with a smooth highway ride. The first stage of the spring provides a soft ride with the ability to extend for additional travel. The second stage is designed to handle the payload of the vehicle and address large impact absorption at higher speeds. The Dual Rate coil springs are corner specific to the JL. This keeps the