U3164 is not available now and this can be used in its place.

52T 32DP Spur Gear – SS/GT

89T CNC Spur Gear – 48dp

95T Whisper Gear – 48 D.P.

98T Whisper Gear – 48 D.P.

Diff Spur 64P 74T – For Diff or Spur Adapters

Diff Spur 64P 88T – For Diff or Spur Adapters