Polaris RZR Pro XP Billet Aluminum Rock GuardsRZRPROXP Polaris RZR Pro XP Billet Aluminum Rock Guards Product # 20005PT04200 The DRT Motorsports Polaris Pro XP Billet Aluminum Rock Guards add aggressive styling, protection, and coverage to your Polaris RZR Pro XPs rear suspension. The DRT Billet Aluminum Rock Guards main function is to deflect rocks, gravel, dirt and mud away from the trailing arms and components such as CV boots, disc rotors, brake calipers. DRT embossed rubber flaps, CNC billet