SSP-G 52mm BIG BORE RACING HEAD FOR 50cc QMB139 MOTORS
Weight:3.4 kg
169-343
SSP-G 52mm BIG BORE RACING HEAD FOR 50cc QMB139 MOTORS 50cc QMB139 4-STROKE 52mm, PERFORMANCE CYLINDER HEAD. INTAKE VALVE DIAMETER: 21.5mm INTAKE PORT DIAMETER: 24mm EXHAUST VALVE DIAMETER: 18.9mm EXHAUST PORT DIAMETER: 22mm VALVE LENGTH: 62.3mm (COMPATIBLE WITH 64mm SHORT VALVE STYLE HEADS) DOES NOT INCLUDE CAMSHAFT, PLEASE SEE RELATED ITEMS PLEASE NOTE: REPLACES CYLINDER HEADS WITH 64mm VALVES (SHORT VALVE STYLE) MADE IN TAIWAN