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The QA1 GM Pro Front MOD Series coil‑over is a front coil‑over system for GM applications that combines a double‑adjustable MOD shock with a 10" large tapered flat spring rated at 500 lb/in to handle changing track or street conditions. QuickTune dry modular valve packs let you revalve the shock on the car without opening it, while 4‑way high/low speed bleed and remote or piggyback canister mounting expand tuning range. Compressed height is 9.63" and extended height 14.5"; medium compression and rebound valve packs come standard.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 500lbs/in - Flat Large - Aluminum
