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The AMP Research PowerStep automatic power‑deploying running board fits 1999–2006 Chevrolet Silverado and GMC Sierra extended and crew cab models. It extends when a door opens and retracts for improved ground clearance and aerodynamics. Built with high‑strength die‑cast aluminum components with an anodized/PTFE military‑spec finish, self‑lubricating bushings, precision stainless pivot pins and integrated LED lighting. Backed by a five‑year/60,000‑mile warranty.
AMP Research 1999-2006 Chevy/GMC Silverado/Sierra Extended/Crew PowerStep - Black
