Component Box For PN F17852K Front Coil Springs/Variable Rate Superseded From PN F545 Skyjacker

Boost Your Ride Performance. Give your Super Duty truck a ride performance boost with the SkyJacker 4-Inch Variable Rate Front Lift Coil Springs. These coil springs are the best choice when lifting your truck by 4 inches thanks to a consistent travel rate. Moreover, these coil springs provide the right amount of fender clearance for larger tires.
Resilient Build Quality. The SkyJacker 4-Inch Variable Rate Front Lift Coil Springs are manufactured from high-grade spring steel for superior strength. These coil springs are precision-formed for maximum performance. Additionally, a durable black powder-coat finish offers maximum rust protection, extending the springs’ life.
Variable Rate Spring Design. The SkyJacker 4-Inch Variable Rate Front Lift Coil Springs uses a variable rate design. This design provides your truck with exceptional comfort without compromising performance. Variable rate springs are also ideal for providing a less firm ride quality, as well as a consistent driving feel.