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The QA1 GM Pro Front MOD Series coil‑over system pairs a MOD Series double‑adjustable shock with a 10" large tapered flat spring rated 450 lbs/in to deliver broad tunability for handling and drag applications. QuickTune dry modular valve packs let you revalve the shock on the car without opening it, and the indexable base eyelet plus remote or piggyback canister options simplify canister placement. Compressed height 8.63", extended 12.63"; dyno tested and serialized.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 450lbs/in - Flat Large - Aluminum
