GETTING INTO YOUR TRUCK SHOULDN'T FEEL LIKE CLIMBING MOUNT EVEREST. That's why AMP Research invested in POWERSTEPT the automatic electric-powered running board that instantly extends when you open your door and then hides itself safely out of sight when the doors close for improved ground clearance aerodynamics and appearance. Its handsome design all-weather performance and legendary reliability set the industry standard. Comes with industry-leading 3-year/36000-mile warranty. Invented engineered and built in America AMP Research Powerstep has been tested and proven in long-term real-world driving conditions performing flawlessly in snow ice dust mud and dirt. The lightweight yet rock-solid running board and rugged die-cast linkage components are crafted in the USA of aircraft-quality aluminum black-anodized and PTFE coated for maximum corrosion protection. Precision stainless-steel hinge points and bearings ensure trouble-free action. And the heavy-duty electric motor is designed and tested to provide reliable maintenance-free operation for decades.