Packaging Includes:Drive Cup-2pcsOriginal Name / Part No:9587Part Location:Differential connection center dogbone areaDoes this product replace a specific part or function?YesProduct major function & usage:Helps the CVD or dogbone shaft to rotate.Major advantages of upgrading to this product:(1) Made by Medium carbon steel stronger and great durability to achieve smooth driving performance.Suitable Model:TRAXXAS-1/8 4WD SLEDGE MONSTER TRUCK-95076-4