The Yokomo MD-303I idler shaft is manufactured as a robust spare for MD1.0 series chassis. Its finish and tolerance help reduce wear on gearbox components, making it useful for drivers who want dependable drivetrain behaviour over many runs.
This idler shaft fits multiple models across the MD1.0 family, including MDR-010, MDR-010P, MDR-010R, SDR-020, MDR-010A, MDR-020, SDR-020P, SDR-020R, MDR-020BL, MDR-020P, MDR-020R, and MDR-010LTS. That compatibility keeps it handy for mechanics who service a few different car layouts.
Replacing a worn shaft with the MD-303I can make setups more predictable and extend component life. Typical benefits are:
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