Radius Arm Drop Bracket Lift Height 5-6 Inch 4.75 Inch Drop 70-76 Ford F-100 77-79 Ford F-150 78-79 Ford Bronco Requires Off-Set Radius Arm Bushing Not Included SkyjackerThese Skyjacker radius arm brackets give you the accurate steering you have been looking for. They are made of high strength steel and feature a black powder coated finish to protect against the elements. The radius arm brackets require offset bushings that are sold separately. Features: Relocates The Radius Arm Rear Mount Limited Lifetime Warranty Requires Off Set Radius Arm Bushing Not Included Lift Height: 5 6 Inch Drop: 4. 75 Inch Material: Steel