[Vehicle Fitment]: Compatible with Ford Crown Victoria 2003-2011 (Exc. Fleet and LX Sport; w/ Taxi Package); Compatible with Mercury Marauder 2003-2004 --- Requires Mount kit SM526 [Specifications]: ①Position: Rear Side; ②Shock Type: Gas; ③Pipe System: Double Pipe; ④Extended Length (IN): 19.88; ⑤Compress Length (IN): 12.99; ⑥Stroke (IN): 6.89; ⑦Quantity Sold: A Set of Two Pieces [Reference Number]: 555603, 551603, 550055 [A-Premium Shocks]: Precision-engineered replacement shock absorbers built from high-strength, cold-rolled carbon steel, are raedy to replace your old ones. Featuring OEM-matched mounting holes and corrosion-resistant cylinder, A-Premium Struts will restore your vehicle's ride height, damping response, and handling stability [Buy with Confidence]: We provide a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind. For A-Premium Crown Victoria shocks or other vehicles', we offer a one-year unlimited-mileage guarantee on these crafted suspension shocks and struts A-premium Shock Absorber Assemblies are an ideal choice to replace your broken Shock Absorber Assemblies. All Shock Absorber Assemblies meet or exceed OEM specifications. Due to high manufacturing standard, it will come with one year quality guarantee.

Compatible with Ford Models:
Crown Victoria 2003-2011 Use With Mount kit SM526
Crown Victoria 2005-2009 With Taxi Package; Requires mount kit SM526
Crown Victoria 2003-2004 With Taxi Package; Use With Mount kit SM526
Crown Victoria 2010-2011 With Taxi Package; Use With Mount kit SM526

Compatible with Mercury Models:
Marauder 2003-2004 Requires Mount kit SM526

Product Specifications:
Color: Black

OEM Number: 555603, 551603, 550055
Location: Rear Left and Right (Driver and Passenger Side)
Quantity Sold: A Set of Two Pieces