Air Lift recently did an overhaul of all their 2011-2019 Super Duty and F150 bracket systems to better work with 5th-wheel hitches and bed-mounted goosenecks by using the stock bump stop locations for install instead of the upper portions of the frame. However, fitment is still going to somewhat depend on the particular brand of hitch, as some do use the same mounting points and may require drilling or other modifications for use with these air springs.