The QA1 GM Pro Front MOD Series coil‑over system combines a MOD double‑adjustable shock with a 10" tapered flat spring rated 600 lbs/in to offer refined front suspension control. QuickTune modular valve packs permit revalving while the shock remains installed, and options for remote or piggyback canister mounting with 4‑way bleed adjustment expand fitting and tuning choices. Compressed height 8.63", extended 12.63"; dyno tested and serialized.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 600lbs/in - Flat - Aluminum