Hoca 52mm QMB139 Performance Head

In stock
img-qind.JPGHoca 50cc QMB139 4-stroke 52mm, performance cylinder head.

Please note: replaces Cylinder Heads with 64mm Valves (Short Valve Style).

Please see our Warranty & Returns Policy.

  • 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 Include Camshaft, Please See Related Items
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