Universal Parts 50mm QMB139 Non Emissions Head 64mm Valves
Item-Code : 151-265
Regular Price : $58.00
Season Special: $49.99
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Availability :Usually ships the next business day
50cc QMB139 4-stroke 50mm, Non Emissions Cylinder Head with 64mm Valves for use with 81.3cc Big Bore Kit! (See Related Items)
You may need to modify your engine case to accommodate the larger cylinder.
Specifications:
- For Use With 81.3cc Big Bore Kit
- Valve Length: 64mm
- Overall Height: 59.5mm
- Intake Port Diameter: 18mm
- Exhaust Port Diameter: 17mm
- Intake Bolt Hole Spacing: 44.5mm
- Exhaust Bolt Hole Spacing: 50mm