2011-2019 GM HD 5-6" Lift Kit w/ SST3000 Shocks (44-3050)The ReadyLIFT 5 6 inch Adjustable Lift Kit for 2011 2018 GM 2500HD 3500HD trucks is a complete front and rear suspension system. It utilizes precision designed laser cut sub frame assemblies and nodular iron knuckles to maintain perfect steering geometry. By integrating a differential drop bracket system, the kit ensures correct CV axle angles for 4WD applications, while forged torsion keys and cast iron rear blocks provide adjustable height without