50cc (39mm BORE) CYLINDER HEAD WITH 69mm VALVES FOR QMB139 ENGINE

Description 50cc (39mm BORE) CYLINDER HEAD WITH 69mm VALVES FOR QMB139 ENGINE It’s a RongFa Brand, But it will works on most 50cc engine NON-EGR STYLE CYLINDER HEAD * 39mm BORE * VALVE LENGTH: 69mm * OVERALL HEIGHT: 59.5mm * INTAKE PORT DIAMETER: 17mm * EXHAUST PORT DIAMETER: 18mm  * EXHAUST BOLT HOLE SPACING: 50mm * INTAKE BOLT HOLE SPACING: 45mm  We Sell all Kind of parts For Roketa 50cc-70cc-1250cc-150cc-200cc-250cc Therefore we have a huge inventory. Related