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The QA1 GM Pro Front MOD Series coil‑over with an 11" large tapered flat spring rated at 300 lb/in is built for tunable control on front GM applications, offering broad valving flexibility and adjustable mounting. The MOD Series accommodates soft or firm compression and rebound valve packs and features a double‑adjustable design with low‑speed bleed for independent compression and rebound control. Nitrogen‑charged canisters come piggyback or remote, the base eyelet is indexable for placement, and the shock is dyno‑tested and serialized. Compressed height 9.63", extended 14.5".
QA1 GM Pro Front Coil-Over System - MOD Series - 11in x 300lbs/in - Flat Large - Aluminum
