[Fitment]This is a 4 wires with 4 pinsregulator applied to most of 150-250CC motorcycle motorbike scooter moped. Help to disate excess voltage, improve charging capability, prevent overcharging battery. [Great for]The regulator can help to disate excess voltage, improve charging capability, and prevent overcharging battery. Come with its heat sink fins, the rectifier have an excellent performance of heat disation. [Features]Heavy duty metal construction with heat sink fins for better cooling, excellent disate heat. High reliability, aftermarket regulator rectifier replacement, you can bring it to replace your old or broken one. [Easy Installation]Easy to install with 4 wires and 4 pins, just plug and play. Made from high quality aluminium material, it is very durable in using. [Notes] If you have any questions about product installation or quality, please contact us in time. We will resolve it as soon as possible. Qiilu We are a professional store producing high-