#105509 - COMPLETE DIFFERENTIAL/PINION GEAR RECON Genuine HPI quality spare part for easy maintenance and repairs. See below for kit reference.
#105521 SPUR GEAR SET (2pcs)/PINION GEAR SET (3pcs)
#105504 ALUMINUM CENTER DRIVE SHAFT/MOTOR MOUNT SET
#105513 DRIVE SHAFT/AXLE SET (2pcs)