AMP Research 75155-01A PowerStep Electric Running Boards for 2010-2017 Toyota 4Runner Extang System is not recommended to

System is not recommended to be combined with body lifts over 1"

30" inside height

Replacement rubber bushing for Lower Rubicon Express control arms that have have a crimped end ring or have previously been retrofitted to use this style of bushing

as well as greatly increasaed suspension flexibility

AMP Research 75155-01A PowerStep Electric Running Boards for 2010-2017 Toyota 4Runner Extang System is not recommended toGetting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invested in POWERSTEP, the automatic, electric powered running board that instantly extends when you open your door, and then hides itself safely out of sight when the doors close for improved ground clearance, aerodynamics and appearance. Its handsome design, all weather performance and legendary reliability set the industry standard. Vehicle Applications: