2011 2012 Polaris Razor RZR 800 Front and Rear Severe Duty Brake Pads Race-Driven Front and Rear Severe Duty Sintered Metal Brake Pads. Race-Driven exclusive sintered metal compound is designed to withstand extreme conditions Excellent performance in mud, water, sand, racing and any other condition you can throw at them 2011 - 2012 Polaris RZR 800