2011-2014 GM HD PowerStep Black Powered Running Boards (AMP75146-01A) trigger-industries Duramax engines)

Duramax engines)

Components elevate truck capabilities

4 Ride Heights that are Easily Adjustable

0 projector shroud

and Commander Models

2011-2014 GM HD PowerStep Black Powered Running Boards (AMP75146-01A) trigger-industries Duramax engines)Improve the accessibility and functionality of your heavy duty truck with the AMP Research PowerStep, the industry leading automatic electric powered running board. Specifically engineered for GMC Sierra 2500 and 3500 HD models, these steps instantly deploy when you open your door, providing a natural and secure stepping surface. When the doors close, the steps retract smoothly under the vehicle, tucking away to maximize ground clearance and preserve