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The QA1 GM Pro Front MOD Series coil‑over pairs a double‑adjustable MOD shock with an 11" large tapered flat spring rated at 250 lb/in for front GM applications, aimed at softer ride and enhanced compliance. MOD shocks use QuickTune dry modular valve packs for on‑car revalving without disrupting the oil path. The system provides independent control over compression and rebound with adjustable low‑speed bleed, remote or piggyback canister options, and arrives dyno‑tested and serialized. Compressed height 9.63", extended 14.5".
QA1 GM Pro Front Coil-Over System - MOD Series - 11in x 250lbs/in - Flat Large - Aluminum
