Looking to clean the injector bore on your Powerstroke 03-16 or Duramax 01-16 engine? Then you need the Alliant AP0085 Injector Cup Brush! This brush is designed to clean the injector bore while you're installing new injectors, making the process quick and easy. Plus, it's made from high-quality materials that are built to last, so you can use it again and again. So don't go another day struggling to clean your engine's injector bore - pick up the Alliant AP0085 Injector Cup Brush today!