Our ZBROZ PRO MAX Upper Radius Rods takes strength to the next level. They were built to take on extreme diverse terrain with a beefier rod diameter for added strength and durability. The PRO MAX Upper Radius Rods have been built to exceed the limits of your RZR Pro XP. We kept the trail rider and rock crawler in mind by providing a simple bolt-on system to easily upgrade your ride with strength and durability.