CALL FOR DISCOUNTED PRICING NOT AVAILABLE ONLINE. Front driveshaft must be lengthened. Rear u-bolts fit vehicles with and without a top-mounted overload leaf. Those without overloads will have approx. 2" of excess U-bolt length (that can be trimmed). Rear lift based on vehicles with 2.5" tall factory block. If vehicle equipped with 3.5" tall factory block expect slight rear to front rake. 5.4L V-8 equipped trucks will sit slightly taller than advertised lift. Vehicles with a 2-piece rear driveshaft should order carrier bearing drop brackets.