Allstar ALL57824 Metric Rear Upper Trailing Arm Adjustable

Adjustable steel 1978-88 G-body metric upper and lower rear end trailing arms are complete with left and right 3/4" rod ends, step spacers reducing to a 1/2" hole and cut to fit'stock GM type mounts. Upper arm aids in adjusting pinion angle and centering rear end. Lower arm will adjust wheel base.