QA1 rear coil-over system for 1978–1988 GM G-bodies includes double-adjustable aluminum shocks, all mounting hardware, brackets, two shocks and springs with a 170 lbs/in rate. The kit provides extensive valving options—simultaneous compression and rebound adjustments—ride height adjustability via fully threaded bodies, and a bolt-in installation for serious street or track use.
QA1 78-88 GM G-Body Pro Rear Coil-Over System - Double Adj. - 12in x 170lbs/in - Aluminum