The Story
Completely Assembled Non-Emissions Style Cylinder Head with 69mm Valves for 50cc 4-stroke QMB139 engines.
- Intake Port Diameter: 17mm
- Exhaust Port Diameter: 18mm
- Valve Length: 69mm

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Completely Assembled Non-Emissions Style Cylinder Head with 69mm Valves for 50cc 4-stroke QMB139 engines.
- Intake Port Diameter: 17mm
- Exhaust Port Diameter: 18mm
- Valve Length: 69mm






















