Brand new BLACKBONE hardened steel heavy duty transmission diff gears for HPI BAJA, KING Motors. All CNC Machined for greater precision and accuracy preventing any loose play like stock diff gears which can result in failures. 
These are an absolute must when an increase of power is added to your car. These will outlast standard diff gears 20 fold saving both time and money. 
48T, 30T, 20T
All 3 gears and drive pins are included. 
 
The only tranmission gears we can recommend to handle the power of a 40cc+ engine!!!