For vans equipped with a front shock kit made before October 2022. During development of our Inverted Rally Strut, the upper mounting brackets were revised to add clearance for the adjuster assembly on the strut. These brackets are 100% bolt on with the provided mounts and hardware. All components are constructed of high quality materials here in the USA and are powder coated for durability and corrosion resistance. (ONLY FOR RETROFITTING OLDER STYLE BACKETS TO BE COMPATIBLE WITH ADJUSTABLE STRUTS)