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The QA1 MOD Series GM front coilover is a double‑adjustable front system for GM applications combining an aluminum stock‑mount shock with QuickTune dry modular valve packs for on‑car revalving. It ships with a 10" large tapered flat spring rated 350 lbs/in and offers 4‑way high and low speed bleed adjustment. Compressed height is 10.13" with a 15" extended length and remote canister mounting; dyno tested and serialized, made in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 350lbs/in - Flat Large - Aluminum
