Cylinder Head Inlet and Exhaust Valve Kit - Long 69mm For GY6 50cc 80cc 139QMB 139QMABaotian Rex Benzhou Kreidler 50. Fit for GY6 50cc 80cc 139QMB/139QMA 4-stroke engines. Inlet & Exhaust Valves Seals Kit For Yamaha YBR 125 ED / SPD Custom 2005-2016.
