This Short Arm system replaces all four lower link arms due to their vulnerability to obstacles during offroad use.The heavy duty Link Arms have factory parallel joint angles to reduce bushing wear. Constructed of .250” thick wall tubing they are guaranteed not to bend. Fabtech’s 5 Ton Joints are included and come with a lifetime warranty against wearing out. The front adjustable Track Bar and bolt on rear track bar bracket with gusset recenters the axles for the increased ride height.System includes Fabtech’s Standard coil springs for great on and offroad suspension performance. Perfect system for rocks, trail and overland expedition use.