The QA1 MOD Series GM front coilover is a double‑adjustable front shock kit for GM applications that features QuickTune dry modular valve packs to revalve the shock while it remains installed. It pairs an aluminum body with a 10" tapered pigtail spring rated 500 lbs/in and offers 4‑way adjustment across high and low speed bleed. Compressed height is 10.13" with a 15" extended length; remote or piggyback canister options and dyno testing/serialization complete the package.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 500lbs/in - Pigtail - Aluminum