Fabtech 05-07 Ford F350 4WD 6in Rad Arm Sys w/Coils & Stealth - K20112M

Our patented Radius Arms feature a full tubular structure strengthened by dimple die side plates, with an adjustable alignment cam at the axle to allow caster adjustment. This system includes replacement Coil Springs in the front and a block & u-bolt kit in the rear. Completing this system is a Trac Bar relocation bracket, Pitman Arm, Sway Bar drops and more.TIRE SIZE - 315/70R17 WHEEL - 17X8 W/4 1/2" BS W/MINOR TRIMMING TIRE SIZE - 325/65R18 WHEEL - 18X9.5 W/4 3/4" BS W/MINOR TRIMMING 3. NON DUALLY MODELS ONLY.