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The QA1 Pro Coil front coil‑over system for 1999–2006 Chevrolet Silverado/Sierra trucks pairs single‑adjustable valving with ride‑height adjustment for modern full‑size pickups. This kit includes a 10" spring rated 750 lb/in for heavier springing needs and a threaded body to tune stance and balance. High‑travel springs reduce unsprung mass and increase travel, and the bolt‑in assembly is serviceable by QA1 authorized centers and made in the USA.
QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - Aluminum
