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The QA1 MOD Series GM front coilover is a double‑adjustable front shock kit for GM applications that features QuickTune dry modular valve packs for quick revalving while the shock stays on the car. This aluminum kit includes a 10" tapered pigtail spring rated 400 lbs/in and provides 4‑way high and low speed bleed tuning. Compressed height is 10.13" and extended 15", with remote or piggyback canister mounting options and dyno‑tested serialization, made in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 400lbs/in - Pigtail - Aluminum
