Dragonfire Racing Heavy Duty Rear Axle Polaris Ranger 570/800/900 Pushing your UTV to its limits means that parts can, and will, break. No matter how much you try to prevent this, its just the nature of the beast when it comes to offroad driving. Luckily, the Dragonfire team has you covered with our Heavy-Duty Replacement Axle Shafts. These are designed to be superior in strength compared to the factory axle and they drop right into place with no modification needed. Constructed of high-strength, chromoly steel