Lift Height:3inch Front,2inch Rear Item Thickness:3inch(77mm)Front,2inch(50mm)Rear For Dodge Ram 2500 4WD 1994-2013 For Dodge Ram 3500 4WD 1994-2012 Allows clearance for up to 33" tires. Precision HD Plasma CNC cut. We use Carbon Steel. Powder Coating Performance Front Spacers. No Special tools are required. No spring compressor is needed. Retains factory smooth ride and will work with stock shocks.