Rocker Arm Camshaft Holder Assy with 64mm Valves - GY6 50cc Scooter 108799 British Trackstar GY125

British Trackstar GY125

Bolt hole spacing: 64mm (2

Overall width: 7

Powermax 150 and PMX 150 Scooters

CAST Cylinder (aluminum also available)

Rocker Arm Camshaft Holder Assy with 64mm Valves - GY6 50cc Scooter 108799 British Trackstar GY125Rocker Arm Camshaft Holder for GY6 QMB139 with 64mm Valves Chinese Rocker Arm Assembly for GY6 49cc and 50cc 4 stroke engines in scooters with 64mm valves. Rocker arm details: Assembly with both intake and exhaust rocker arms. 50mm (2. 0 in) between holes center to center For heads with 64mm valves 139QMB QMB139 motors Fits many Chinese models including Baja, Linhai, Lifan, Kazuma, Redcat, Roketa, Tao Tao and others. Shipping details: Do you need your