Polaris RZR-170 Full Coverage UTV Bolt-On Doors. Factory UTV doors for your Polaris RZR 170 are constructed from mild steel tubing and powder coated for excellent durability. Doors easily mount permanently (non opening) using existing mounting locations on the RZR 170. Mid height door design allows easy entry and exit for your 170 pilots. Plastic skins are made from top quality thermoplastic olefinic elastomer. This high-impact polypropylene offers a high-gloss finish with excellent durability to endure extreme weather and temperature conditions. Plastics are UV-stabilized, resistant to chemicals and available in several colors including RZR Red and Carbon Fiber. Take your Polaris RZR 170 to the next level with Factory UTV Doors.