Set of 4 nitro shocks Rubicon Express Twin Tube for 3,5" - 4,5" of lift for Jeep Grand Cherokee ZJ.Rubicon Express proudly offers the highest quality production shocks money can buy. We have been evolving and refining these shocks for over a decade. Now they are better than ever with improvements in the manufacturing process, materials, finishes and tunes.Get the most out of your suspension by adding our no compromise shock solution!