Lightweight right back gear diff axle shaft for 1/10 pan automobile or 1/10 formula gear differential features tough shaft which especially machined for perfect security and smoothness with zero run-out for vibration-free procedure. Produced from HUDY Spring Steelâ� Lightweight design for reduced rotating fat. The axle replaces previous Axle Shaft #375017 and fits #374901 â€✠Gear Diff 1/10 Formula and #374902 â€✠Gear Diff 1/10 Pan car. Note: please be aware that due the nature the gear differential as well as the forces and tensions included, the device differential with both metal and graphite axle will tend to be less resistant regarding the wear and/or breakage versus standard ball differentials. If you should be perhaps not concerned with performance however the reliability and whole life we recommend to work with the traditional ball differential.