Lightweight rear gear diff axle shaft for 1/12 pan car gear differential features tough shaft that is especially machined for perfect protection and smoothness with zero run-out for vibration-free procedure. Made from HUDY Spring metal Lightweight design for reduced rotating fat. Fits #374900 â€✠Gear Diff 1/12 Pan Car. Note: please keep in mind that due the kind of kit differential while the forces and tensions included, these devices differential with both metal and graphite axle will are less resistant on usage and/or breakage compared to standard ball differentials. If you should be maybe not focused on performance even so the dependability and life time we recommend to make use of the typical ball differential.