Our patented Radius Arms feature a full tubular structure strengthened by dimple die side plates, with an adjustable alignment cam at the axle to allow caster adjustment. This system is comes complete with our replacement Coil Springs, Piman Arm, Sway Bar drops, and a rear Block & U-bolt kit. Includes Performance front and rear shocks. Estimated installation time is 6-7 hours. Amount of holes to drill - 6. No welding required. This product ships in approximately 1 days