These are the perfect replacements for worn-out factory 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 self lubricating cam design. Limited lifetime warranty. Also recommend for any Sidekick, Vitara or Tracker with auto hubs with a suspension lift to help relieve CV stress. These hubs are sold in pairs and ship complete with replacement gaskets and required hardware.