Original Name / Part No.: AR310439Part location: All differential areas (front or center or rear)Product major functions & usage: Helps the CVD or dogbone shaft to rotate.Accessories:Diff Outdrive 2pcsMajor advantages of upgrading to this part/product :Made by harden steel #45, stronger and great durability to achieve smooth driving performance.Other special notes and comments:Suitable for ARRMA KRATON, SENTON, TYPHON, TALION, OUTCAST, NOTORIOUS