Block current to control voltage. Reduces stator current. Lowers temperature and less drag on motor. Creates more efficient operation. Smoother charge to the battery. Less battery maintenance and longer battery life. Use with Cycle Electric stators for manufacturers 2-year .

Vehicle Fitment:
1984-1985 fits H-D XLH1000
1986-1987 fits H-D XLH1100
1988-1990 fits H-D XLH1200
1986-1990 fits H-D XLH883
1986-1990 fits H-D XLH883DLX Sportster 883 Deluxe
1987-1990 fits H-D XLH883HUG Sportster 883 Hugger