Yukon Hardcore Performance Diff Covers are engineered for extreme conditions.  Yukon Hardcore Differential Covers are made from thick-walled high strength nodular steel to fend off the most extreme hits in off road driving. Yukon diff covers are designed to protect lockers, gears and axles from extreme impact. These covers come with a durable powder coat finish, magnetic drain plug, and high strength steel fasteners for easy bolt-on installation. When strength, performance, and durability matter choose Yukon Hardcore performance differential covers.