Please verify your bicycle's make, model, year, or dimensions before ordering to ensure that this item is compatible with your bike. For ECU 5PIN Motorcycle Voltage Rectifier Regulator Enhanced Heat Sink:Features an improved heat sink for efficient charging and cooling, ensuring optimal performance. Plug and Play Installation:Designed for easy installation, this regulator is a direct replacement, requiring no additional modifications. If you have any difficulty shopping, you can contact us at any time. We will respond to you and provide a more perfect service. Let each buyer have pleasant purchases.