50cc GY6/QMB139 Performance Head
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50cc GY6/QMB139 Performance Head (169-70)
50cc GY6/QMB139 Performance Head
Item-Code : 169-70
Regular Price : $143.00
Season Special: $134.99
Qty :

Availability :Ships in 24-48 Business Hours


 





Product Description

Hoca 50cc QMB139 4-stroke 50mm, performance cylinder head.


Specifications:
  • Intake Valve Diameter: 21.5mm
  • Intake Port Diameter: 24mm
  • Exhaust Valve Diameter: 18.9mm
  • Exhaust Port Diameter: 22mm
  • Valve Length: 62.3mm (compatible with 64mm Short Valve Style Heads)
  • Does not come with camshaft
 
 
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Air Filter Assembly (151-81) | Air Filter Foam QMB139 (151-62) | Camshaft Seat (151-98) | QMB139 Dowel Pin (151-99) | Rocker Arm Intake Valve (151-100) | Rocker Arm (151-101) | Adjustment screw and nut Set (151-102) | Camshaft (151-104) | Rocker Arm Exhaust Valve (151-105) | Carburetor (151-29) | Electric Choke Assembly QMB139/GY6 (151-177) | Carburetor Plate Spring (151-196) | Carburetor Breather Pipe (151-204) | Carburetor Idle Screw (151-198) | Idle Screw Spring (151-199) | Carb Upper Cover QMB139 (151-178) | Carburetor Spring (151-179) | Carburetor Throttle Plate (151-180) | Carburetor Needle (151-181) | Float Valve (151-184)