47mm QMB139 Non-Emissions Cylinder Head

Original price was: $39.99.Current price is: $12.00.

1000 in stock

50cc QMB139 4-stroke 47mm, Non-Emissions Cylinder Head for use with 72cc Big Bore Kit!

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