For Eibach Pro-Truck Struts Only: Eibach's Pro-Lift Coil Springs are only compatible with Eibach Pro-Truck Front Struts, and are not guaranteed to work with any other strut system.
Lowest Perch Setting Only: Eibach's Pro-Lift Springs can only be used on the lowest perch setting of the Pro-Truck Strut Assemblies.
Spring Compressor Recommendation: we strongly recommend using a floor-mounted or wall-mounted spring compressor rated for full-size truck springs to install the Eibach Pro-Lift Coil Springs to avoid possible injury or death.
Will not fit CCD: these springs are not compatible with F150s equipped with Ford's optional Continuously Controlled Damping (CCD) system.