Originally Posted by TheDirtman

Actually a raised rear track bar bracket on the axle is the best way to center the rear axle. The added benefit is better handling both on road and off, less axle steer, and lower cost. You can also rotate the new bracket (depending on which one you get) to line up the brackets for more clearance to the diff, bump stops, and shocks. However aftermarket track bars are stronger. There is no reason you can't use both.