The Fabtech Radius Arm Lift System is a 6-inch lift kit for 2017 Ford F450 and F550 4WD diesel models, supplied as a component box. Patented full-tube radius arms use dimple-die side plates and an adjustable alignment cam at the axle for caster correction. The kit package context includes replacement coil springs, a trac bar relocation bracket, pitman arm, sway bar drops, and rear block and U-bolts to complete the lift system.
Fabtech 17 Ford F450/F550 4WD Diesel 6in Rad Arm Sys w/Coils & Perf Shks