These are the perfect replacements for worn-out factory hubs. The Warn Premium Hubs will replace the factory automatic hubs. High quality steel cased hubs are precisely machined & assembled. The mechanism is fully sealed from water, dust, and sand making it virtually maintenance free. Features a self-lubricating cam design. Limited lifetime warranty. We recommend to install manual locking hubs on all lift kits over 2" in height to help minimize CV joint wear.