AMP Research 75105-01A PowerStep Electric Running Boards for 2004-2018 Ford F-150 Excursion Max tire size: 35"x12

Max tire size: 35"x12

Provides both drop and rise

This system is 100% compatible with the factory VSC electronic stability control system

Lifts your truck 4"

Wheel Size Range: 16" or Larger

AMP Research 75105-01A PowerStep Electric Running Boards for 2004-2018 Ford F-150 Excursion Max tire size: 35"x12Getting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invented the patented PowerStep, the automatic, electric powered running board that instantly extends when you open your door, and retracts out of sight when the doors close for improved ground clearance, aerodynamics and appearance. Its sleek design, all weather performance and legendary reliability set the industry standard. Vehicle Applications: 2004 2008