CALL FOR DISCOUNTED PRICING NOT AVAILABLE ONLINE.** Vehicles with a 2-piece rear driveshaft may require carrier bearing drop 9669.** This lift is designed for vehicles without top mounted overload springs. If your vehicle has top mounted overload springs, a different rear u-bolt kit is required. For trucks with 2.5" rear block order part 11674 or 5" rear block kit order part 11694.