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QMB139 Non Emissions Head - 64mm Valves PS-151-253

  • $78.99
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Logo Completely Assembled Non Emissions Style Cylinder Head with 64mm Valves for 50cc 4-stroke QMB139 engines.

  • Intake Port Diameter: 17mm
  • Exhaust Port Diameter: 18mm
  • Valve Length: 64mm