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The QA1 MOD Series GM front coilover is a double‑adjustable front system built for high‑demand drag and handling applications on GM front suspensions. It features QuickTune dry modular valve packs for in‑car revalving, medium compression and rebound packs standard, and an aluminum shock with a 10" tapered pigtail spring rated 550 lbs/in. Compressed height is 10.13" with a 15" extended length, 4‑way adjustability, remote canister options, and dyno‑tested serialization in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 550lbs/in - Pigtail - Aluminum
