Keller - POLARIS RZR XP 1000 Mega BALL JOINTMega Ball Joints for a Top Shelf UTV The RZR 1000 is at the cutting edge of UTV performance, but its ball joints always have the same weak spot. A hard ride can easily push your OEM ball joint past the flimsy snap ring. If you want the best the industry has to offer, you need Todd Keller's two piece Mega ball joints. Theyre the biggest and toughest joints on the planet. Put Keller Mega Ball Joints on your Polaris RZR XP 1000, and theres virtually