Team Z Motorsports now offers a Lower Torque Box Replacement Kit to replace your old worn out or damaged torque boxes on your 1978-1987 GM G-Body vehicles. Our kits offer multiple holes to adjust your suspension geometry, and is tied into the frame for extra support. Constructed from 1/8â€³ material with 3/16â€³ thick doubler plates, makes these torque box’s capable of handling all the power you can throw at them! Each kit is CNC laser and CNC Formed, Tig Welded, and assembled in house. Proudly made in Detroit Michigan.