Rugged Off Road 2-2012 2" Rear Block Kit for Dodge RAM 2500/3500 2/4WD Rugged Off Road 2 Inch rear block kit for 2003-2014 Dodge Ram 2500 and 2003-2013 Ram 3500 2WD & 4WD trucks. Comes complete with vehicle specific U-bolts and hardware. Not for use on dually and vehicles equipped with camper package, for use on trucks with rear leaf springs and blocks only. This is a true bolt on application - no modifications required. Your Rugged Off Road product automatically includes our 5-Year/60K mile powertrain warranty free of charge.