Aluminum Centre DriveshaftGet more power to the wheels of your Sport 3 with an Aluminium Centre Drive Shaft fitted! The 6061 Aluminum Shaft is a direct replacement for Sport 3 cars. Coming in at just 12 grams compared to the standard steel shaft at 35g. the Aluminum Shaft significantly reduces the rotating mass for improved acceleration. braking and a true rotation down the narrow sport 3 centre channel. It's built to exact HPI factory specifications for a perfect &ldquobolt-in&rdquo fit and anodised in HPI Orange colour for a great looking finish. .