Cylinder head assembly | 101 OCTANE

Product description

Complete cylinder head for 50cc 139QMB / QMA engines Unlike many other available cylinder heads, this is a complete head. That means: valves, valve springs, valve shaft seals etc. This head is ready to install, with no need for grinding valves or fumbling with springs, or specialist tools This can be blanked off, which leads to quieter running and slightly more torque Dispatched without SLS Cam shaft and rocker arm assembly not included