Hot Racing Aluminum Front or Rear Diff Locker Spool: MAXX 4S

Hot Racing differential spool for the TRA Maxx This is located in the differential case, and can be used front or rear to eliminate the differential action. This part is recommended for off-road use only.

- Black oxide coated CNC machined steel
- Fits front or rear

- One (1) differential spool shaft

- Installation

- This part is recommended for off-road use ONLY
- Replaces TRA 8982 output gears and 8981 gears case