Specifications include, but are not limited to: Kelderman air ride suspension system. Replacement of factory OEM driver's seat with Freedman USSC G2 ELP P1M seat. Fully adjustable captains chair with: adjustable high back, full depth foam padded seat cushion and backrest, cloth grade 5 upholstery (color determined by Purchasing Agency), heavy duty fold up armrest provided on the right side of the seat, meets all FMVSS standards, includes seatbelt extension, and has FMVSS certified seat-belts with retractor attached to the seat frame. Seat installation shall allow for unimpeded movement over the whole seat range. Install a double flip seat (Freedman Featherweight) on the rear wall.