2.625 Inch RRD Remote Reservoir Shock Package 3.5 Inch-4.5 Inch of Lift For RAM 2500 HD 4x4, 2014-Pres Rock KrawlerRock Krawler 2. 625 RRD Remote Reservoir Shock Package (3. 5 4. 5 of Lift) For RAM 2500 HD 4x4, 2014 Pres The Rock Krawler RRD 2. 625 Remote Reservoir Shocks fluted aluminum body gives the advantage of weight reduction without sacrificing strength. Which not only make this shock the lightest remote reservoir shock in its class, it also provides a surface area greater than most 3 inch bodied shocks. The fluting provides the structure required to ensure