Readylift 66-1201 1.0" Rear Kit for Dodge RAM 2500/3500 2WD/4WD, Silver OEM style block with pre-cut and E-coated U-bolts Installs easily in about an hour - professional install recommended Retains the OEM factory ride while lifting your vehicle up to 4 inches Guaranteed against manufacturer defects in materials and workmanship for the life of your vehicle