The XRAY 375009 X12 Ball Differential Set is a precision upgrade built to replace the stock gear differential in the X12 chassis. Engineered to boost stability and steering response, it excels on low grip surfaces such as asphalt and low grip carpet, helping drivers maintain control during tight corners and on-power acceleration.
Compared to gear differentials, the ball differential delivers smoother transfer of power and better traction modulation, which translates to improved stability and more predictable steering. Installation is a direct swap for the X12 gear diff, so you can upgrade without needing extra components or complicated setup changes.
The XRAY 375009 X12 Ball Differential Set is an effective tuning part for hobbyists and club racers aiming for cleaner corner exit and steadier handling across varied low-grip surfaces.
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