Please verify your bicycle's make, model, year, or dimensions before ordering to ensure that this item is compatible with your bike. For Bajaj For Dominar 400 UG BS4 BS6 Touring For Dominar 250 For Dominar400 2020 Motorcycle Voltage Regulator Rectifier Stabilize Voltage 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.