The Traxxas TRX-4 Spool gives TRX-4 owners the option to remove the locking differentials, and replace one or both with this spool. This will provide a full time locked differential, for reduced complexity and increased crawling performance. Package includes one spool and hardware.
- Traxxas TRX-4
Note: This list may not be 100% accurate or up to date, and is meant to be used as a guideline for compatibility.