J2XCO 3500 W 3500 Watt Generator AVR Automatic Voltage Regulator Rectifier 3.5KW Generator AVR AVR for 3500W Max Wattage Generator driven by 168FA 168FB 170F 5.5HP 6.5HP 7HP Gasoline Engine, Capacitor Size 250V 220UF, 3 13/16 inch / (97.2mm) hole to hole on center, Totally 6 wires, 4 wires in one connector and 2 single wires,