Hot Racing differential spool for the TRA E Revo 2 This is located in the center differential case, to eliminate center differential action. This part is recommended for off-road use only.

- Black oxide coated CNC machined steel
- Fits center differential

- One (1) differential spool shaft

- Installation

- This part is recommended for off-road or drift use ONLY
- Replaces TRA 8684 output gears and 8682 spider gears
- For front or rear differential locker, see Hot Racing ERVT125