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Universal Parts Head 50mm QMB139 Big Bore Head with 69mm Length Valves GY6 49cc for WOLF V50 > Part #169GRS70-69

  • $ 5999


Grand Rapids Scooter's Hoca 50cc QMB139 4-stroke 50mm, Big Bore cylinder head.

Please note: replaces Cylinder Heads with 69mm Valves (Long Valve Style). Goes with Part #151GRS258 or 169GRS54 for use of 69mm Valve Set Up.

Supported Models: Bintelli, Tao Tao, Peace Sports, Wolf, Schwinn, Puma, SYM, Alliance, Motorino and Kymco.

Specifications

  • Intake Valve Diameter: 21.5mm
  • Intake Port Diameter: 24mm
  • Exhaust Valve Diameter: 18.9mm
  • Exhaust Port Diameter: 22mm
  • Valve Length: 69mm (compatible with 69mm Short Valve Style Heads) 
  • Does not come with camshaft, please see Related Items

 


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