The Kyosho FAW227 - 40T Ball Differential is a direct replacement tailored to the FZ02 TC chassis. It replaces heavier gear diffs to reduce rotational inertia and drivetrain noise, resulting in smoother steering input and steadier throttle response. The reduced mass helps the car settle faster through corners while keeping power delivery stable. The kit includes ball diff grease and Molybden grease so you can set it up out of the box.
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