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The QA1 Pro coil-over front kit for 2003–2011 Ford Crown Victoria applications delivers double-adjustable valving with a 9" spring rated at 450 lb/in. Fully threaded aluminum bodies provide ride-height adjustment and precise weight-balance tuning to suit street, strip or handling-focused builds. Each kit is serviceable and rebuildable, 100% dyno tested and serialized, and installs with a straightforward bolt-in procedure. QA1 item MD431-09450.
QA1 03-11 Ford Crown Victoria Pro Front Coil-Over System - Double Adj. - 9in x 450lbs/in - Aluminum
