The QA1 GM Pro Front MOD Series coil‑over pairs a double‑adjustable MOD shock with a 10" large tapered flat spring rated at 600 lb/in for front GM applications, providing tunable compression and rebound for aggressive street or track use. QuickTune dry modular valve packs enable on‑car revalving without opening the shock, and the design includes adjustable low‑speed bleed, remote or piggyback canister options, 100% dyno testing and serialization. Compressed height is 9.63" with 14.5" extended.
QA1 GM Pro Front Coil-Over System - MOD Series - 10in x 600lbs/in - Flat Large - Aluminum