QA1 Big Wheel rear Pro-Coil MOD series kit for 1971–1976 GM B-body is supplied without springs and features MOD-series shocks intended for coilover installations. The kit provides the same adjustable damping architecture used in Pro-Coil applications but ships as a springless set, allowing installers to choose spring rates appropriate for the vehicle and desired ride height or handling characteristics.
QA1 71-76 GM B-Body Rear Pro-Coil Kit MOD - No Springs