This turbocharger is designed for 2017 - 2023 GM 2500/3500 models with the L5P 6.6L Duramax engine. To use it, simply install the pre - calibrated actuator and the turbo unit as per the provided instructions. The installation will take around 10 hours. When installing, make sure to follow all the steps carefully to avoid any issues. For maintenance, regularly check the seals and journal bearings for wear and tear. If you notice any strange noises or a decrease in performance, it might be time to have it inspected. Keep it clean and make sure the mounting hardware stays tight. If you need more detailed installation guidance, click on the installation instructions link provided.