Lightweight rear gear diff axle shaft for 1/12 pan car gear differential features tough shaft that is especially machined for perfect security and smoothness with zero run-out for vibration-free procedure. Made out of HUDY Spring metal Lightweight design for reduced rotating fat. Fits #374900 â€✠Gear Diff 1/12 Pan Vehicle. Note: please remember that due the type of kit differential and the forces and tensions included, the device differential with both metal and graphite axle will are generally less resistant on usage and/or breakage compared to standard ball differentials. If you should be maybe not worried about performance nevertheless the dependability and lifetime we recommend to use the typical ball differential.