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 flywheel flexplate thus providing a higher threshold

thus providing a higher threshold for safe temperatures and resulting in a more efficient cooling system

Adjustable Mounting Bracket Included: No

Perfect for daily driving

(1) Relay Harness

Works with aFe POWER or OE intercooler

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 flywheel flexplate thus providing a higher thresholdPowerStep XL Electric Running Board, Offers 3 Inch Additional Drop, fits 14 18 Silverado Sierra 1500, 15 19 Silverado Sierra 2500 3500, Gas Only, Crew Cab Built in LED Lights Holds Up 600 lbs. Automatically Extends When Door Opens 5 year 60,000 mile warranty Add Wow Factor To Your Truck w AMP PowerStep XL Running Boards 3 in. Lower Stepping Surface Than The Regular PowerStep Great For Lifted Trucks The AMP Research POWERSTEPXL automatic electric