Cylinder Head 39mm
49cc GY6-QMB Motors
Valve L=64mm (With Valves, Springs,NO EGR)
Fits Most 49cc Chinese Scooters


Part #: 634594
MSRP: $39.99
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  • Part #
These QMB139 (GY6-50) 49cc cylinder heads replace
E-Ton (Eton) Part # 813475



Common applications include:
Alta 50cc Alta-49 (Jonway) (Vin: TCB)
  • Part #: 634594

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