The QA1 MOD Series GM front coilover is a double‑adjustable front system for GM applications that features QuickTune dry modular valve packs for on‑car revalving without opening the shock. This kit pairs an aluminum shock with a 10" large tapered flat spring rated 600 lbs/in and offers 4‑way high and low speed bleed tuning. Compressed height is 10.13" and extended is 15"; remote canister mounting and dyno‑tested serialization complete the package, made in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 600lbs/in - Flat Large - Aluminum