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One of the common front end bearing choices used by the OEMs is the unit bearing hub. It's less labor intensive for them to install and will work for years on a stock height rig with factory size tires. The downside is that the front axle shafts are turning 100% of the time, even if there is no torque being applied. There is parasitic drag and that spells lower fuel economy. Add your lift and bigger tires and you're putting additional force on an already marginal component. Your choices are to either replace them on a regular basis at a ...