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The QA1 GM Pro Front MOD Series coil‑over system matches a MOD double‑adjustable shock to an 11" tapered pigtail spring rated 300 lbs/in for adaptable front suspension tuning. QuickTune dry modular valve packs let you revalve quickly with the shock installed, and the design supports remote or piggyback canister mounting with 4‑way bleed adjustment for fine control of compression and rebound. Compressed height 8.63" and extended 12.63"; dyno tested and serialized.
QA1 GM Pro Front Coil-Over System - MOD Series - 11in x 300lbs/in - Pigtail - Aluminum
