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QA1 Pro Coil front coil‑over system for 1963–1965 Buick Riviera applications, featuring double‑adjustable valving and fully threaded bodies for precise ride height and valving control. This kit pairs a 10" spring rated 750 lb/in with a shock that measures 9.63" compressed and 14.5" extended. Built with lightweight, high‑travel springs, the system is serviceable and dyno‑tested for a range of street and race uses.
QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 750lbs/in - Flat Large - Aluminum
