The Motobilt adjustable track bar bracket is built to take the any abuse you can dish out. This bracket is laser cut from 1/4 inch thick steel plate and CNC formed. The bracket consists of 3 pieces that will need to be welded for install. The brackets utilize 3 different holes that measure 5/8 inch in diamter. The bracket is also offset so that it will clear your other suspension components. This track bar bracket axle tube diameter is 3.50 inch.