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100cc QMB139 50mm Big Bore Cylinder Kit GY6 engine with 64mm EGR Head

100cc QMB139 50mm Big Bore Cylinder Kit GY6 engine with 64mm EGR Head

Regular price $39.25 USD
Regular price Sale price $39.25 USD
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GY6 100CC 50mm QMB139 Big Bore cylinder Engine kit with Cylinder, Cylinder head,piston kit, head gasket, base gaskets.

QMB139 50mm Piston Kit 

  • Piston Outer Diameter: 50mm

Cylinder Head Gasket 

  • 50mm Inside Diameter

Cylinder Gasket GY6 50cc

  • Bore: 50mm

Cylinder for GY6 50cc engine

  • Bore: 50mm 

Cylinder Head

  • EGR Style Cylinder Head
  • 50mm Bore
  • Valve Length: 64mm
  • Overall Height: 59.5mm
  •  Intake Port Diameter: 17mm
  • Exhaust Port Diameter: 18mm 
  • Exhaust Bolt Hole Spacing: 49.75mm
  • Intake Bolt Hole Spacing: 44.75mm

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