UMI Performance 78-88 GM G-Body Control Arm Reinforcements/Frame BracesTrailing arm mount braces are designed to reinforce the rear upper and lower front control arm mounts on your 1978 1988 G Body vehicle. The more power your ride makes the better chance of bending or breaking the rear control arm mounts. These tubular reinforcements tie the upper and lower rear control arm mounts together for added strength and driving performance. The UMI Performance braces are bent to contour the floor of the vehicle, unlike some