Electrosport Industries ESR580 Regulator/Rectifier

This is by far the best regulator rectifier in the world. The Electosport RR design prevents overcharging and dissipates voltage quickly while providing optimum power balance and protection to all of your electrical components. This aluminum die cast heat sink helps remove heat quickly and the slotted mounting holes provide easy installation. Electrosport offers a 1-year warranty. Connector blocks are designed to fit perfectly into the OEM wiring harnesses. Exclusive slotted mounting provides easy installation. Aluminum die-cast heat sink wicks excessive heat away quickly. Machine installed wiring connectors. High quality protective sheathing keeps wiring tucked neatly away.

Vehicle Fitment:

1991-2007 Honda CB250 Nighthawk
1989-1990 Honda CB400F CB-1