POWERSTEP XL™ SPECIFICALLY DESIGNED FOR LIFTED TRUCKS – 3” ADDITIONAL DROP Featuring a rugged, bold design, the new patented PowerStep XL™ offers a 3” lower stepping surface than the original PowerStep™ and makes accessing your lifted truck easier. POWERSTEP XL™ OPERATION AMP Research PowerStep running boards automatically move when the doors are opened to assist entering and exiting the vehicle. Automatic Power Deploy: The running boards will extend down and out when the doors are opened. Automatic Power Stow: The running boards will return to the stowed position when the doors are closed. There will be a 2-second delay before the running boards move to the stowed position. Automatic Stop: If an object is in the way of the moving running board, the running board will automatically stop. To reset, clear any obstruction, then simply open and close the door to resume normal operation. FEATURES Automatic power-deploying running boards Integrated LED light system Rail constructed of 6063 Marine grade aluminum Attractive and durable black textured finish Step, 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 Integrated bracket systems support up to 600 lbs. Maintenance-free, self-lubricating bushing for all-weather performance 5-year/60,000 mile warranty AMP Research 77126-01A PowerStep XL Electric Running Boards for 2007-2013 Silverado 1500, 2007-2014 Sierra 2500/3500, Crew Cab FITMENT Year Make Model Body Type Sub-Detail 2007-2014 GMC Sierra 2500 HD Crew Cab Pickup NON PLUG N' PLAY SYSTEM 2007-2014 GMC Sierra 3500 HD Crew Cab Pickup NON PLUG N' PLAY SYSTEM 2007-2013 Chevrolet Silverado 1500 Crew Cab Pickup NON PLUG N' PLAY SYSTEM 2007-2014 Chevrolet Silverado 2500 HD Crew Cab Pickup NON PLUG N' PLAY SYSTEM 2007-2014 Chevrolet Silverado 3500 HD Crew Cab Pickup NON PLUG N' PLAY SYSTEM 2007-2013 GMC Sierra 1500 Crew Cab Pickup NON PLUG N' PLAY SYSTEM AMP Research 77154-01A PowerStep XL Electric Running Boards Plug N Play System for 2014-2018 Silverado/Sierra 1500 (Incl 2019 Silverado LD/Sierra Limited), 2015-2019 Silverado/Sierra 2500/3500, Gas Only, Crew Cab FITMENT Year Make Model Body Type Sub-Detail 2014-2018 GMC Sierra 1500 Crew Cab Pickup PLUG N' PLAY SYSTEM - GAS ONLY 2014-2018 Chevrolet Silverado 1500 Crew Cab Pickup PLUG N' PLAY SYSTEM - GAS ONLY 2015-2019 GMC Sierra 2500 HD Crew Cab Pickup PLUG N' PLAY SYSTEM - GAS ONLY 2015-2019 GMC Sierra 3500 HD Crew Cab Pickup PLUG N' PLAY SYSTEM - GAS ONLY 2015-2019 Chevrolet Silverado 2500 HD Crew Cab Pickup PLUG N' PLAY SYSTEM - GAS ONLY 2015-2019 Chevrolet Silverado 3500 HD Crew Cab Pickup PLUG N' PLAY SYSTEM - GAS ONLY 2019 GMC Sierra 1500 Limited PLUG N' PLAY SYSTEM 2019 Chevrolet Silverado 1500 LD PLUG N' PLAY SYSTEM AMP Research 77254-01A PowerStep XL Electric Running Boards Plug N Play System for 2019-2020 Chevrolet Silverado/GMC Sierra 1500, 2020 Chevrolet Silverado/GMC Sierra 2500/3500, Crew Cab FITMENT Year Make Model Body Type Sub-Detail 2019-2021 GMC Sierra 1500 Crew Cab Pickup PLUG N' PLAY SYSTEM 2019-2021 Chevrolet Silverado 1500 Crew Cab Pickup PLUG N' PLAY SYSTEM 2020-2022 GMC Sierra 2500 HD Crew Cab Pickup PLUG N' PLAY SYSTEM 2020-2022 GMC Sierra 3500 HD Crew Cab Pickup PLUG N' PLAY SYSTEM 2020-2022 Chevrolet Silverado 2500 HD Crew Cab Pickup PLUG N' PLAY SYSTEM 2020-2022 Chevrolet Silverado 3500 HD Crew Cab Pickup PLUG N' PLAY SYSTEM Mounting Hardware Included Yes Drilling Required Yes Bar Color Black