Fitment: (2013-2017) Polaris RZR XP 1000, (2013-2017) RZR XP 4 1000, (2016) RZR XP Turbo, (2016) RZR XP 4 Turbo. Heavy duty rear chassis Brace designed and manufactured right here in America. Our brace puts the upper radius rod mounting points in double shear increasing strength that you will feel from the wheel. This upgrade bolts right on, no drilling or modifications necessary. We have engineered the brace so it is compatible with OEM and aftermarket radius rods without any need for confusing hardware options.