Improving on the Ram suspension design, Fabtech offers their trademark Radius Arms in a complete lift kit. These exclusive tubular Radius Arms have recognizable dimple die side plates for superior strength and a signature of quality. The rugged Arms provide increased caster for use with oversized tires and lifted suspension heights. For maximum suspension damping, this Ram lift kit features the massive stainless steel Dirt Logic 4.0 Coilovers. These top shelf Coilovers bolt to the factory upper coil bucket with support gussets for superior strength. The lower mounts weld to the axle housing and have cross support gussets for the factory Track Bar bracket. Heavy duty 1/4in thick steel front and rear Track Bar drop brackets center the axles under the vehicle with the new ride height. For the rear, this lift kit has the perfect balance between ride quality and retaining the factory carrying capacity. By utilizing a dual rate spring design, it provides a good highway ride in the first stage of compression then the second stage handles heavy loads. This high end lift kit system is the ultimate suspension upgrade for Ram 2500. FEATURES: Fabtech's trademark Radius Arms with recognizable dimple die side plates providing additional strength and increased caster. Bolt on Ram Coilover Conversion for the best ride quality on and offroad. Heavy duty Track Bar drop brackets center the axles under vehicle for proper tracking. Dual rate rear coil springs for factory load capacity and a smooth ride. Includes Free 5 year 60,000 mile Powertrain warranty. RADIUS ARM: Tubular construction with dimple die side plates for superior strength. Arms are offset to allow for full turning radius with wide tires. Fabtech Radius Arms have 1 degree of caster built in for the increased ride height. Adjustable alignment cams on the Arms allow for an additional 1.5-2 degrees of caster adjustment over stock. FRONT DIRT LOGIC 4.0 RESI COILOVERS: Super stout 1/4" thick steel brackets utiliz