CNC-machined straight back drive shaft (95 mm) with 2.5 mm pin, produced from world-renown HUDY Spring Steel™. Strategically-machined, the lightweight drive shaft is weight-reduced without compromising power. Hand ground for optimum precision, then separately determined and analyzed. Suggested to utilize with #325002 Ball Adjust. Diff For 2.5mm Pin - Set - HUDY Spring steel