03-09 Cummins AMP Power Steps RPI reduced EGT's and faster spool-up

reduced EGT's and faster spool-up over the original cast wheel

Includes Crank Seal

and salt spray corrosion testing

a typical ECM update takes about 5 minutes

03-09 Cummins AMP Power Steps RPI reduced EGT's and faster spool-upDoes not fit mega cab GETTING INTO YOUR TRUCK SHOULDN'T FEEL LIKE CLIMBING MOUNT EVEREST. That's why AMP Research invented the PowerStep, the automatic, electric powered running board that instantly extends when you open your door, and then tucks itself back safely under the chassis when the doors close. When retracted, PowerStep is essentially hidden underneath your vehicle for improved ground clearance, aerodynamics and appearance. And when