AMP Research Replacement Controller Standard - Type B Chief Dark Horse and transmission are stressed less

and transmission are stressed less than stock so you can ride more

Portals place the gear reduction in the hub

Designed specifically for the 2020 Pro XP

You think you can find better housings that GDP housings

AMP Research Replacement Controller Standard - Type B Chief Dark Horse and transmission are stressed lessReplacement controller for AMP Research PowerSteps. Parts are specific to vehicle Make Model and series of PowerStep installed This Part Fits: Year Make Model Submodel 2003 Ford Excursion Eddie Bauer 2002 2003 Ford Excursion Limited 2002 2003 Ford Excursion XLT 2010 2014 Ford F 150 FX2 2009 2014 Ford F 150 FX4 2010 2012 Ford F 150 Harley Davidson Edition 2009 2014 Ford F 150 King Ranch 2009 2014 Ford F 150 Lariat 2011 Ford F 150 Lariat Limited 2013