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The QA1 Pro coil-over front kit for 2003–2011 Ford Crown Victoria applications pairs double-adjustable shocks with a 9" spring rated at 650 lb/in for heavy-duty front-end control. Fully threaded aluminum bodies permit precise ride-height adjustment and balance tuning for street or competition use. The units are 100% dyno tested, serialized and serviceable through QA1 centers, and install via a straightforward bolt-in process (QA1 MD431-09650).
QA1 03-11 Ford Crown Victoria Pro Front Coil-Over System - Double Adj. - 9in x 650lbs/in - Aluminum
