This kit replaces both the rear upper and lower rear control arms on any 78-96 GM B-Body. Kit is designed to reduce traction loss and minimize wheel hop found with stock control arms. Control arms are fixed length and match GM specs. Lower control arms feature reinforced sway bar holes to accept stock or aftermarket sway bars. Kit Includes: (1) Set- Boxed Lower Control Arms Item # 3615 (1) Set- Tubular Upper Control Arms Item # 3616