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The QA1 MOD Series GM front coilover is a double‑adjustable front shock kit for GM applications that combines an aluminum shock with QuickTune dry modular valve packs for easy on‑car revalving. It ships with a 9" large pigtail spring rated 450 lbs/in and offers 4‑way high and low speed bleed adjustment. Compressed height is 9.63" with a 14.5" extended length; remote or piggyback canister options are available and units are dyno tested and serialized in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 9in x 450lbs/in - Pigtail Large - Aluminum
