ReadyLIFT OEM-style rear block kits are now available for model specific applications. These Rear Block Kits include two (2) Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 2003-2013 Ram 2500 4WD - 2003-2023 Ram 3500 4WD single rear wheel / Non-Camper Package truck. Based on OEM designs and never made out of light duty extrusions, our Dodge Ram 2500/3500 Blocks are made from cast iron. Fits 2003-2013 Ram 2500 4WD - 2003-2023 Ram 3500 4WD trucks. This rear block system eliminates the dangers of having to stack blocks which may be illegal in some states.