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The QA1 GM Pro Front MOD Series coil‑over system ships with a 10" tapered pigtail spring rated 450 lbs/in paired to a double‑adjustable MOD shock for detailed front‑end tuning. QuickTune dry modular valve packs allow revalving on the car without exposing the oil path, and remote or piggyback canister options ease installation in tight areas. The shock offers 4‑way bleed adjustment; compressed height is 8.63" and extended height is 12.63".
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 450lbs/in - Pigtail - Aluminum
