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The QA1 MOD Series GM front coilover is a double‑adjustable front shock kit for GM applications that leverages QuickTune dry modular valve packs for rapid revalving while installed. It includes a 10" tapered pigtail spring rated 650 lbs/in and provides 4‑way adjustable high and low speed bleed. Compressed height is 10.13" with a 15" extended length; remote or piggyback canister options are available and units are dyno tested and serialized, made in the USA.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 650lbs/in - Pigtail - Aluminum
