When doing a big bore kit, we highly recommend pairing a high angle performance camshaft to open up the valves longer and keep providing more performance.
Made in Taiwan, not China. The quality is very good.
This camshaft will fit all QMB139 engines. This includes all 49cc four stroke Chinese scooters, all Kymco 49cc four stroke engines and anything in between with the QMB139 engine.
