http://tinyurl.com/p4sycxx
ReadyLift 67-2550 Radius Arm Bracket/Lower Spring Spacer for F250/350
Transform your 2.5 inch kit to a 3.5 inch at a reasonable price
Guaranteed against manufacturer defects in materials and workmanship for the life of your vehicle
Retains the OEM factory ride while lifting your vehicle up to 4 inches