TK11295 includes the conversion parts and Mile Marker® fuel-saving lockout hubs to upgrade your heavy-duty Ram 4x4's front axle. TK11295 Dynatrac Free-Spin™ Kit with Mile Marker® Stainless Steel Lock Out Hubs for 2000-2008 Dodge Ram 2500, Ram 3500 fit either 2000-2002 Dana 60 or 2003-2008 AAM 9-1/4' Front Drive Axles in Ram 2500 and Ram 3500 4x4 trucks with single rear wheels.