50cc QMB139 Non Emissions Head – 64mm Valves

$42.99

Completely Assembled Non-Emissions Style Cylinder Head with 64mm Valves for 50cc 4-stroke QMB139 engines.

Intake Port Diameter: 17mm
Exhaust Port Diameter: 18mm
Valve Length: 64mm

2 in stock

Description

Unlock the true power of your 50cc 4-stroke QMB139 engine with this Completely Assembled Non-Emissions Style Cylinder Head.

  • 64mm oversized valves for increased airflow and performance
  • 17mm intake and 18mm exhaust ports for optimal breathing
  • Completely assembled for easy, hassle-free installation

This high-performance cylinder head is your ticket to unleashing the full potential of your 4-stroke engine. The larger 64mm valves maximize airflow, while the precisely engineered ports ensure your engine can breathe freely. Completely assembled and ready to install, this is the upgrade your QMB139 has been waiting for.

Whether you’re looking to boost top speed, improve acceleration, or just get the most out of your 50cc engine, this cylinder head is the answer. Stop settling for restrictive, emissions-style parts and experience the true joy of riding with maximum power.

Diagram Part #1,9-15

Additional information

Weight 4 lbs
Dimensions 10 × 8 × 5 in

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