【Note-1】 Parts Only Fit Vehicles With V8 6.7L Engine. 【Note-2】 For F-250/F-350 Super Duty, Parts Fit Vehicles With Midship Fuel Tank And 137.0 Inch Wheelbase. 【Note-3】 For F-450 Super Duty, Parts Fit Vehicles With Midship Fuel Tank And 156.2 Inch Wheelbase