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The QA1 MOD Series GM front coilover is a double‑adjustable front kit for GM applications using QuickTune dry modular valve packs for quick on‑car revalving. It pairs an aluminum shock with a 10" large tapered flat spring rated 550 lbs/in and offers 4‑way high and low speed bleed adjustment. Compressed height is 10.13" with a 15" extended length; the system accepts remote canister mounting and arrives dyno tested and serialized, made in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 550lbs/in - Flat Large - Aluminum
