Tamiya FF-03 Competition Ball Differential - FF03-01 by 3Racing  [FF03-01]

Competition-grade ball differential for FF-03

Engineered with a focus on tuning and track consistency, this machined aluminium ball differential fits the Tamiya FF-03 platform to replace the factory plastic internals with a stiffer, more precise assembly. It is intended for drivers who tune handling mechanically using preload and ball sizing rather than relying on electronic assistance.

Design and fit: the unit follows the FF-03 gearbox layout and uses standard ball diff geometry to match FF-03 carrier interfaces. Verify carrier and gearbox dimensions if integrating with non-standard drivetrain components.

Performance tuning: install in the FF-03 carrier and set preload to achieve the desired on-power engagement; selecting different ball sizes refines slip characteristics and cornering traction. Regular inspection of balls and race surfaces and the use of appropriate diff grease are recommended to preserve consistent lap-to-lap behaviour.

Service notes: clean machined surfaces with suitable cleaners and inspect contact areas and drive cups for wear. Replace worn components to maintain predictable performance. This component is intended for hobby and competitive chassis setup work.

This precision aluminium ball differential provides a robust, tuneable platform-level upgrade for FF-03 racers seeking repeatable mechanical control.