This rebuild kit provides the consumable seals and fasteners used with Yokomo H.D. Front One-Way and HP Front One-Way (D-021) units for RC-scale models. It is intended for routine maintenance and component refresh to restore sealing and fastening inside the front one-way assembly.
The set is useful when servicing front one-way units between events or after prolonged running; it supports keeping the unit’s internal parts seated and reducing play that can affect traction behavior and setup consistency, without altering tuning geometry or performance parts.
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