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The QA1 Pro Coil front coil‑over system is a single‑adjustable kit that blends tunable damping with practical ride‑height control for upgraded suspension builds. This version includes a 9" spring rated 550 lb/in and uses a threaded body to let you set stance and weight balance. The lightweight, high‑travel spring design improves response and travel, while the bolt‑in layout works with factory or QA1 tubular control arms and is serviceable by QA1 centers.
QA1 GM Pro Front Coil-Over System - Single Adj. - 9in x 550lbs/in - Pigtail Large - Aluminum
