Prothane rear control arm bushings for 1971–1977 GM full-size vehicles replace worn stock bushings to restore rear suspension locating and compliance. These black polyurethane bushings are intended as direct replacements for the factory rear control arm mounting points and offer a firmer alternative to aging rubber components while matching the specified GM full-size model years for correct fitment.
Prothane 71-77 GM Full Size Rear Control Arm Bushings - Black