The Kyosho FA509 differential gear shaft set consists of four replacement shafts intended for the FAZER RAGE 2.0 chassis, manufactured to match original fit. These parts are useful when renewing the internal diff components during routine service.
Replacing fatigued shafts restores correct gear engagement and helps eliminate uneven wear, contributing to consistent power delivery and predictable handling on the track.
Swapping the FA509 shafts requires basic disassembly of the differential housing and common tools; follow standard servicing steps and inspect all mating parts to ensure long term reliability.
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