17. The upper link mounting brace ties the upper control arm bracket to the torque box. The brace may need to be trimmed to fit depending on the year of vehicle. After confirming proper fitment, trace around the edges of the braces, then drill plug weld holes into the floor spaced at 1-inch intervals. Seam-weld the braces to the brackets and torque boxes and plug-weld them to the floor from inside the car.