These tubular control arms are designed for coil-over with the tall spindle conversion, the spring pocket is replaced with a laser cut 3/16" plate and re-enforced with 1/8" tabs. Since the shock T-bar is supporting the load rather than the spring switching to this lower arm ensures strength and durability. These arms are fully assembled with low friction ball joints, and a unique zero bind sway bar end links. The arms have polyurethane bushings installed which are 100% lube able. Get ride of those flexible stamped lower arms and old rubber bushings, and get hooked up with these state of the art negative roll arms from Global West.