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The AMP Research PowerStep automatic running board is specified for 2011–2014 Chevrolet Silverado and GMC Sierra 2500/3500 diesel models. It extends when a door opens and retracts to preserve ground clearance. Key components include high‑strength die‑cast aluminum with an anodized/PTFE finish, maintenance‑free self‑lubricating bushings, precision stainless pivot pins and integrated LED lighting. The system carries a five‑year/60,000‑mile warranty.
AMP Research 2011-2014 GMC Sierra 2500/3500 Extended/Crew PowerStep - Black
