2008-2009 Polaris Sportsman X2 800 EFI ATV Plug-In Electric Regulator / Rectifier Upgraded Rectifier Bridge Components Extra Heavy-Duty Regulator Circuit 1-Year Manufacturers Warranty Advanced Design Improves Voltage Output and Reliability - Exceeds O.E.M. Quality Compatibility: 2008-2009 Polaris Sportsman X2 800 EFI