Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The QA1 MOD Series GM front coilover is a double‑adjustable front system for GM applications featuring QuickTune dry modular valve packs that allow rapid revalving while the shock remains installed. It includes an 11" large tapered flat spring rated 250 lbs/in and provides 4‑way high and low speed bleed adjustment. Compressed height is 10.13" with a 15" extended length; the kit supports remote canister mounting and arrives dyno tested and serialized in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 11in x 250lbs/in - Flat Large - Aluminum
