Yukon Hardcore Locking Hub are among the best heavy duty 4x4 hubs available on the market today. Sold in pairs or individually in case you are in need of a single replacement. Each hub is a all steel construction with chromoly internals. Yukon hubs are great for any 4wd whether it is for performance, towing, off-road or someone who needs a reliable hub for everyday use. Designed to only require a 1/3 turn to engage or disengage along with the fact that it will default to the locked position if there was a unexpected mishap, it will not leave you stranded. | Yukon Hardcore Locking Hubs YHC70002