Detroit Balance Ring
These Balance Masters Wheel Balance Rings are filled with Mercury to reduce rotational vibration in Rods Pistons Flywheels Clutches and Crankshafts. The Mercury filled tube doesn’t wear out and corrects the imbalance in the wheel. This results in reduced cab vibrations and noise whilst increasing engine performance and durability giving you a smoother ride. Topped off with a lifetime warranty these rings are hard to go by.