Reese 30154 - Rail Kit Mounting Adapter for Attaching Standard Fifth Wheel Hitches, Compatible with RAM 2500/3500Use your standard, above bed 5th wheel trailer hitch with your Ram factory, underbed 5th wheel towing prep package. Adapter mounts in factory sockets and supplies mounting rails in your truck bed for attaching your hitch. Converts your factory installed, underbed 5th wheel mounting kit from Ram to standard, above bed 5th wheel base rails Compatible with B&W, Curt, Draw Tite, Hidden Hitch, Husky, Reese, and Valley above bed 5th wheel trailer hitches