4-pin Full-wave Voltage Regulator for 50cc 70cc 90cc 110cc 125cc 150cc ATV Quad Dirt Bike Go Kart Scooter Moped Pit Bike 4-pin Full-wave Voltage Regulator Rectifier fits for 50cc-150cc ATV,Dirt Bike,Go Kart,Gas Scooter fits for 50cc-125cc Horizontal Engine fits for GY6 50cc-150cc Engine 12v. 4-Pin male plug.