Universal Parts QMB139 Non Emissions Head - 69mm Valves converter Includes Taiwanese NTN brand crankshaft

Includes Taiwanese NTN brand crankshaft bearings

Kymco Spade and Lifan KP Mini

preventing scratches and dampening engine vibrations

This cylinder is designed for enthusiasts looking to push their 150cc or 169cc engines to a true 180cc-plus displacement

Looks especially good on French Vanilla

Universal Parts QMB139 Non Emissions Head - 69mm Valves converter Includes Taiwanese NTN brand crankshaftUniversal Parts Completely Assembled Non Emissions Style Cylinder Head with 69mm Valves for 50cc 4 stroke 139QMB engines. Specifications: Intake Port Diameter: 17mm Exhaust Port Diameter: 18mm Valve Length: 69mm Compatibility: 139QMB based 50cc 80cc engines with the following engine codes: 139QMA 139QMB 1P39QMB 1P39QMA 2 YN139QMB JJ1P39QMB 139FMA 2 BD1P39QMB BN139QMB 147QMD Other QMA models Other QMB models 157QMJ based 125cc 150cc 169cc engines with