KYB SR4140 Strut Assembly The World's Best Complete Strut Assembly from the most trusted name in OEM quality shocks and struts Designed for proper ride height and original handling capabilities for Crown Victorias and Grand Marquis Exact fitment engineered and pre-assembled for professional results Includes a fatigue-tested, and improved coil spring with corrosion resistant coating Engineered to help vehicles with electronic safety systems (ESC, ABS, etc.)