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QA1 Pro Coil front coil‑over system made for 1963–1965 Buick Riviera applications, offering fully adjustable ride height and independent valving control. The kit features a 10" spring rated 600 lb/in with a 9.63" compressed and 14.5" extended shock length. Lightweight, high‑travel springs reduce unsprung weight and QA1’s fully threaded body and double‑adjustable valving let you fine‑tune handling and stance.
QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 600lbs/in - Flat Large - Aluminum
