The Tamiya 51554 - TB-04 Gear Differential Unit Cup Joint Set is a precision replacement designed to restore tight tolerances and extend the life of TB-04 differential components.
With careful machining and a snug fit, the Tamiya 51554 - TB-04 cup joints help eliminate drivetrain lash and deliver a more consistent throttle response on sealed differentials.
This kit is tailored for the TB-04 chassis and fits into the original differential housing, making it an easy swap for hobbyists performing standard servicing or modest upgrades.
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