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Differential Drive Ring for Yokomo MX4, RRP RX4 prototype, and RRP RX4 Evolution cars.


Set includes (2) diff rings (completed one differential).


Made of durable material and an excellent replacement for worn Yokomo ZM-506 diff rings.


Differential Drive Ring Plates (2) for Yokomo MX4 RX4 Evo ZM-506 RRP-010MX

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