The Arrowmax AM-931011 hub insert is a scale replacement part made for Pancar geardiff systems. It occupies the hub cavity and delivers a hardened contact face where the hub meets the differential internals, helping reduce wear on mating components.
Fitting uses the original hub retention method supplied with your Pancar geardiff kit; the insert seats into the hub bore and is retained with the existing hardware. Always confirm fitment against your specific Pancar geardiff pieces and follow the kit assembly order.
During setup and routine maintenance the insert supports stable contact geometry inside the geardiff, which aids consistent differential behaviour on the track and during tuning changes. It is supplied as a serviceable spare for 1/10 and 1/12 scale Pancar geardiff applications.
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