2009-2014 Ford F-150 Regular Cab/SuperCab/SuperCrew PowerStep AUTOMATIC POWER-DEPLOYING RUNNING BOARDS HIGH-STRENGTH, DIE-CAST ALUMINUM-ALLOY COMPONENTS  RESIST CORROSION ALL-WEATHER PERFORMANCE WITH OEM-QUALITY MAINTENANCE-FREE ELECTRIC DRIVE SYSTEM PRESSURE-SENSITIVE, PINCH-PROOF SAFETY TECHNOLOGY - 600 LB LOAD CAPACITY (EACH SIDE) DESIGNED AND BUILT IN AMERICA - 5-YEAR/60,000 MILE WARRANTY