The QA1 MOD Series GM front coilover is a double‑adjustable front system for GM applications that pairs an aluminum shock with QuickTune dry modular valve packs for in‑car revalving. It includes a 10" large tapered flat spring rated 350 lbs/in and offers 4‑way high and low speed bleed adjustment. Compressed height is 9.63" with a 14.5" extended length; the kit accepts remote canister mounting and is dyno tested and serialized, made in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 350lbs/in - Flat Large - Aluminum