Enhance the style of your Polaris® RZR® 4 900 and provide riders with greater comfort and safety by installing a set of Aluminum Lower Half Doors. These doors attach quickly and securely to your stock door with no drilling or mods to your vehicle. .090 inch Aluminum construction is strong, durable, and provides the ultimate in style, fit, and finish. Triangular filler pieces are also included. The included hinge kit provides smoother door operation and prevents door rattling. Doors are powder coated matte black. All hardware included.