putting in the sway bar mounts and hd rear springs . fit the fuel lines the mounting fasteners . there was a bit of modifing to the sandwich sway bar end mount do to the large 11x2 1/2'' brakes and stock spring placement , and those 5/8'' u bolts . but nothing a saw n welder , drill press n dye grinder, belt sander couldn't fit . but it did ruin the powder coating on those parts . blaster n re coat again , lol . .