The Polaris Pro R is one of the most powerful side-by-sides available. A two-liter engine, extraordinarily beefy stock components, and enough fancy features to make anybody envious—that’s what Polaris has packed in the Polaris RZR Pro R. What’s missing? It just needs some SuperATV upgrades to take it over the top. We have windshields, lift kits, bumpers, portals, and more to make your RZR best damn Polaris Pro R on the trail.