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.