Fitment: (2017.5) Polaris RZR XP 1000, (17-18) RZR XP Turbo, (2018+) RZR RS1. Polaris changed the hardware for the 2017 RZR XP1000 (non-turbo) midway through the year. 2017 RZR XP 1000's produced in the second half of 2017 (2017.5) have M12 bolts like the 2017 RZR XP Turbo, as oppose to M10 bolts on the early 2017 RZR XP1000. The Assault Industries barrel style heavy duty radius rods for the Polaris RZR are designed and manufactured in California using state-of-the-art machinery and aircraft grade materials. This kit retains OEM clearance but adds incredible strength and rigidity over the factory setup. Assault Industries radius rods are machined from 6061 T6 aluminum and hard anodized black with polished chromoly adjustable Heim joints. This stylish kit will look amazing while performing above and beyond OEM specifications!