AMP Research 75154-01A-B PowerStep Electric Running Boards for 2014-2018 Silverado & Sierra 1500, 2015-2019 Silverado & Sierra 2500/3500 with Extended and Crew Cabs (Excludes Diesel) Automatic, electric-powered running boards instantly extend when you open your door, and then hides itself safely out of sight when the doors close; Includes low-profile, integrated LED light system. High-strength, die-cast aluminum alloy components with an anodized and PTFE-coated, military-spec finish to resist corrosion Precision stainless steel pivot pins for rock-solid stability and maintenance free self-lubricating bushings for all-weather performance; 600 pound capacity (each side) Weatherproof, OEM Quality electric motors, drive system and wiring harness; Pressure sensitive, pinch-proof technology Made in the USA and backed by a 5-year limited warranty 14-14 SILVERADO/SIERRA 1500 CREW/DOUBLE CAB POWERSTEP W/LIGHT KIT