Yokomo YZ-4 SF Gear Differential 40T Ring Gear (for S4-503D16) YOKS4-503R16

Yokomo YZ-4 SF Gear Differential 40T Ring Gear (for S4-503D16) YOKS4-503R16

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$ 29.99
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This is a replacement Yokomo Gear Differential 40T Ring Gear, for use with the YOKS4-503D16 16T drive gear.