SSP-G After-Market Performance GY6 50 Transmission Kit for QMB139 engines.

  • 1500 RPM Spring
  • Spring Inner Diameter: 49mm
  • Spring Height: 105mm
  • Roller Weight Size: 16x13mm (8g)
  • Variator Outer Diameter: 87mm
  • Clutch Drum Number of Splines: 22
  • Clutch Drum Spline Inner Diameter (peak to peak): 11.10mm
  • Sliding Clutch Plate Outer Diameter: 119mm
  • Does Not Include Drive Face

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SSP-G QMB139 Performance Transmission Kit

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