The Tamiya 51290 King Pin set is intended to refine the assembly of your TRF501X. The lightweight construction keeps parts firmly located, helping deliver repeatable setup and predictable handling.
Tailored to the TRF501X, the four king pins help maintain suspension geometry and consistent steering feel. A tighter fit prevents component drift during long sessions.
They also provide a clean visual improvement to the chassis thanks to their polished appearance, suitable for club racing and display alike.
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