Tru-Balance Wheel Centering Products announces the addition of their Ford Super Duty F450 ' F550 and GMC/GM 4500 ' 5500 product line. The reusable centering pin tools, as well as the external centering sleeves, are now available for these models. These products may also fit other makes and models. TRU-BALANCE wheel centering products are designed to eliminate vibration and erratic tire wear by bypassing the hub pilot, and centering the wheel to eliminate uneven motion.