CNC-machined straight back drive shaft (95 mm) with 2.5 mm pin, created from world-renown HUDY Spring Steel. Strategically-machined, the lightweight drive shaft is weight-reduced without compromising energy. Hand ground for maximum precision, then individually measured and analyzed. Recommended to make use of with #325002 Ball Adjust. Diff For 2.5mm Pin - Set - HUDY Spring Steel