80cc QMB139 47MM Cylinder Engine Kit with 64mm Non-EGR Head

80cc QMB139 47MM Cylinder Engine Kit with 64mm Non-EGR Head

Upgrade your GY6 50cc engine to an 80cc powerhouse with this comprehensive big bore cylinder engine kit. Designed for enhanced performance, it includes a precisely machined cylinder, matching piston kit, and a non-EGR cylinder head for optimal combustion.

• 47mm Piston Diameter ensures a significant increase in displacement for more power.
• 47mm Cylinder Bore offers robust construction for reliable operation and durability.
• 64mm Cylinder Head Valve Length allows for improved airflow and greater volumetric efficiency.
• 17mm Intake Port Diameter facilitates a higher volume of air-fuel mixture entering the combustion chamber.
• 18mm Exhaust Port Diameter enables efficient evacuation of exhaust gases, reducing backpressure.

This 80cc kit represents a substantial upgrade over standard GY6 50cc components, delivering noticeable improvements in torque and top-end speed without requiring complex modifications. It provides a cost-effective route to greater engine performance compared to purchasing a completely new engine, making it an ideal choice for riders seeking more power.

Boost Your Ride's Performance

Engineered for enthusiasts seeking an edge, this kit transforms your GY6 50cc into an 80cc performance machine. The larger bore and improved airflow from the 64mm valve head work together to deliver a significant surge in power and acceleration. Installation is straightforward for those familiar with engine work, providing a tangible performance boost that redefines your riding experience.