47mm QMB139 Complete Non Emissions Cylinder Head 69mm Valves

$49.99
In stock
SKU
151-263
50cc QMB139 4-stroke 47mm, Non Emissions Cylinder Head with 69mm Valves for use with 72cc Big Bore Kit!


Please see our Warranty & Returns Policy.

  • For Use with 72cc Big Bore Kit
  • Valve Length: 69mm
  • Overall Height: 59.5mm
  • Intake Port Diameter: 17mm
  • Exhaust Port Diameter: 18mm
  • Intake Bolt Hole Spacing: 44.5mm
  • Exhaust Bolt Hole Spacing: 50mm
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