Description This 5 pin 5 wire 1 plug HK-D rectifier fits many sizes of ATVs, dirt bikes, GY6 based scooters go karts. This is a widely used voltage regulator on Chinese made power sports products, ranging in size from 90cc to 125cc to 150cc. Known compatible with the Baja Motorsports 90cc ATV models Canyon and Wilderness. Please note that this rectifier uses a female connector, but is otherwise is very similar to the 5-Pin 1-Plug Rectifier (Voltage Regulator) that we also sell. Specifications Mounting Hole Diameter: 7 mm Mounting Hole Spacing: 55 mm center to center Connector: 5-pin female Wires: 5 Plug: 1 Compatibility Baja Motorsports 90 (BA90) ATV Baja Motorsports Canyon 90-U (CN90-U) ATV Baja Motorsports Wilderness Trail 90 (WD90-U) ATV