SSP-G 50cc QMB139 4-stroke 50mm, performance cylinder head.
Please note: replaces Cylinder Heads with 64mm Valves (Short Valve Style).
Please see our Warranty & Returns Policy.
- Intake Valve Diameter: 23mm
- Intake Port Diameter: 21mm
- Exhaust Valve Diameter: 20mm
- Exhaust Port Diameter: 18.5mm
- Valve Length: 62.3mm (compatible with 64mm Short Valve Style Heads)
- Does not come with camshaft, please see Related Items