The Tamiya 9994577 - 8T Pinion Gears Set (Purple, 10 Pieces) offers ten matched 8-tooth pinions in a purple finish, intended for Mini 4WD tuning and maintenance. These parts are produced to provide steady engagement and a predictable feel when changing gear ratios.
These 8T pinions will suit many Mini 4WD gearboxes that accept standard 8-tooth pinions, allowing builders to select the best ratio for a given track. Their consistent tooth geometry simplifies installation and alignment work.
Using an 8T pinion generally improves acceleration, which can be advantageous on tighter circuits and sections that require quick speed recovery. Regular inspection and proper mesh adjustment will keep performance reliable.
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