Feature:
The diameter of cylinder is 47mm, and the length of cylinder head valve is 64mm.
Made of high quality Aluminum alloy and durable in use.
Original standard, direct replacement for the original one.
Precise design, high performance and reliable stability.
Especially designed for GY6 72cc 80cc 4 Stroke 139QMB/139QMA.

Specification:
Condition:  Brand new
Material:  Aluminum alloy
Color:  Silver
Package Weight:  Approx 996g
Cylinder Quantity:  1
Displacement:  80cc
Cylinder Head Valve Length:  Approx 64mm/2.52in
Cylinder Diameter:  Approx 47mm/1.85in

Package Include:
1 * Engine Cylinder Head assembly

Note:
1. This is a non-EGR head, it does not have EGR port.
2. Please check the size before purchasing.
3. Please allow 1-3cm error due to manual measurement. Thanks for your understanding.
4. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.