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The QA1 GM Pro Front MOD Series coil‑over system features a MOD double‑adjustable shock paired with an 11" tapered flat spring rated 300 lbs/in to provide balanced front damping. QuickTune dry modular valve packs allow on‑car revalving without opening the shock, while remote or piggyback canister options and 4‑way bleed adjustments offer wide tuning capability. Compressed height 8.63", extended 12.63"; made in the USA and dyno tested.
QA1 GM Pro Front Coil-Over System - MOD Series - 11in x 300lbs/in - Flat - Aluminum
