Fabtech 11-13 Ford F450/550 4WD 10 Lug 6in Radius Arm System w/Perf. Shocks

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. Front spring lift options includes 6'' replacement Coil Springs. Completing this system is a Trac Bar relocation bracket, Pitman Arm, Sway Bar drops, and a rear Block & U-bolt kit. 6in. RAD ARM SYS W/COILS/PERF SHKS 2011-13 FORD F450/550 4WD 10 LUG F450: TIRE SIZE - 285/75R18 WHEEL - 18XOEM W/OEM" BS W/OEM DUALLY WHEELS; F550: TIRE SIZE - 285/75R19.5 WHEEL - 19.5XOEM W/OEM" BS W/OEM DUALLY WHEELS; 101. SOME MODELS MAY NOT SIT LEVEL AFTER INSTALL.