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The QA1 MOD Series GM front coilover is a double‑adjustable front system for GM applications featuring QuickTune dry modular valve packs to revalve the shock while it remains on the vehicle. It includes a 9" large pigtail spring rated 550 lbs/in and offers 4‑way adjustable high and low speed bleed. Compressed height is 9.63" with a 14.5" extended length; remote canister mounting is available and the assemblies are dyno tested and serialized, made in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 9in x 550lbs/in - Pigtail Large - Aluminum
