Yukon Gear Replacement King Pin Dana 60Yukon Hardcore Locking Hubs feature chromoly internals and all steel construction for ultimate durability and strength. These hubs won't disengage under high torque applications and default to the locked position in use. Engagement comes from just a 1 3 turn of the all steel, low profile bezel, ensuring quick changes between two wheel and four wheel drive. Yukon Hardcore locking hubs are not only great looking, but feature a low profile design to