2008-2010 Ford F450/550 4WD 6 Inch Radius Arm System with Coils & Black Dirt logic Shocks

2008-2009 Ford F450/550 4WD 6 Inch Radius Arm System with Coils & Black Dirt Logic 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 or the Dirt Logic 4.0 Coilover Shock conversion. Completing this system is a Trac Bar relocation bracket, Pitman Arm, Sway Bar drops and more. Rear lift options include a block and u bolt kit.

• Use 285/70R19.5 tires w/ OE Dually wheels


• 1  FTS22024BK  Component Coil Box
• 1  FTS22124BK  Component Box
• 1  FTS22129  6 Rear Block Kit
• 2  FTS81038  Dirt Logic 2.25 Front Non Resi
• 2  FTS81005  Dirt Logic 2.25 Rear Non Resi