The QA1 Pro Coil front coil-over is a single-adjustable stock-mount shock kit engineered for ride-height and damping control. It ships with an 11" spring rated 600 lb/in and a tapered pigtail end, compressed length 10.13" and extended 14". The fully threaded body lets you set stance precisely and adjustable valving lets you match damping to street or track driving.
QA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 600lbs/in - Pigtail - Aluminum