The ICON Radius Arm Drop Kit for the 2011-2016 Ford F-250/F-350 Super Duty 4WD allows the use of the stock or aftermarket radius arms with ICON 4.5*-7* lift suspension systems. This kit consists of fabricated radius arm drop brackets, CNC laser cut and brake-formed from steel plate and engineered to withstand the stresses of aggressive off-road driving. The drop brackets look as great as they perform with a durable semi-gloss black powder coat finish. Wheel with confidence knowing that the brackets are covered by ICON's Limited Lifetime Warranty. The ICON Radius Arm Drop Kit for the 2011-2016 Ford Super Duty 4WD allows the use of the stock or aftermarket radius arms with ICON 4.5*-7* lift systems. This kit is engineered to withstand the stresses of aggressive off-road driving.