2008 2009 2010 2011 2012 2013 Polaris 500 Sportsman Front Severe Duty Brake Pads Race-Driven Front 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 2008 - 2009 - 2010 - 2011 - 2012 - 2013 Polaris Sportsman 500 4x4