POWERSTEP™ XTREME - PLUG & PLAY 2008-2016 Ford F-250/350/450 All Cabs Plug N' Play System 78234-01A 2017-2019 Ford F-250/350/450 All Cabs Plug N' Play System 78235-01A AMP Research® PowerStep™ XTreme – made specifically for extreme environments. Sub-zero winters, mud caked rockers; AMP Research PowerStep™ XTreme is designed to hold up to the extreme. Dual motors drive this electric-powered running board to deliver more power when deploying and retracting LED lights illuminate boards when deployed Aggressive design for extreme traction, all-weather performance made from high-strength, die-cast aluminum components Legendary reliability with durable, high-texture powder-coated finish to resist corrosion and maximize grip OEM-quality motors, drive system and wiring harness that sets the industry standard 5-year/60,000 mile warranty APPLICATION LENGTH MODEL YR PART #Ford F-250 / F-350 / F-450 Regular Cab (48”) 2008-2016 78234-01AFord F-250 / F-350 / F-450 Super Cab (60”) 2008-2016 78234-01AFord F-250 / F-350 / F-450 Crew Cab (79”) 2008-2016 78234-01AFord Super Duty Regular Cab (54”) 2017-2019 78235-01AFord Super Duty Super Cab (72”) 2017-2019 78235-01AFord Super Duty Super Crew (85”) 2017-2019 78235-01A AMP Research POWERSTEP XTreme Electric Running Boards - Installation Guide See what it takes to install a pair of AMP Research POWERSTEP ...