Lightweight rear gear diff axle shaft for 1/12 pan automobile gear differential features tough shaft which particularly machined for perfect protection and smoothness with zero run-out for vibration-free procedure. Produced from HUDY Spring metal Lightweight design for paid off rotating fat. Fits #374900 â€✠Gear Diff 1/12 Pan Car. Note: please remember due the kind of kit differential although the forces and tensions included, they differential with both metal and graphite axle will are less resistant on usage and/or breakage versus standard ball differentials. If you should be not centered on performance even so the dependability and life we suggest to make use of the typical ball differential.