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The QA1 MOD Series GM front coilover is a double‑adjustable front system for GM applications that uses QuickTune dry modular valve packs for fast on‑car revalving without opening the shock. This aluminum kit ships with a 10" large tapered flat spring rated 450 lbs/in and offers 4‑way high and low speed bleed tuning. Compressed height is 10.13" and extended height 15", with remote canister mounting options; dyno tested and serialized in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 450lbs/in - Flat Large - Aluminum
