Radius Arm Drop 1'-5" Bracket Kit Fit For Ford F250 F350 Super Duty 2005-2016 81950002Introduction: The radius arm brackets are a necessary ingredient to achieving the increase in lift while not only maintaining the factory geometry, but also the factory ride! The main advantages of using extended radius arms are better articulation, more ground clearance and a sharper adjustment radius. Once installed, they also allow for better adjustment of the front end of the Car. Application: Fit For Ford F250 F350 Super Duty 2005 2016 (4WD Only)