Rails and installation kits for full-size trucks. Quick and easy installation with full truck bed access. For use on all fifth wheel hitches except Elite (formerly Signature Series). Fits the following Dodge models: Ram 1500 2002-2008, Ram 2500 with Overload Springs 2003-2010Ram 3500 with Overload Springs 2003-2010, Ram 3500 (all but models with overload springs).