The Serpent 120031 spur differential unit uses a 48P pitch and 68 teeth to maintain consistent engagement under load. This gear helps keep acceleration smooth and predictable during practice and race day.
Manufactured to endure repeated use, the Serpent spur gear fits many common 48P transmissions and is a straightforward swap for worn or lower-quality parts. It is a sensible upgrade for pilots tuning gear ratios.
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