NGH'S NEW 9cc GAS ENGINE. THE SMALLEST R/C GAS ENGINE IN THE WORLD. A highly enginered engine with full ball bearing supported forged crankshaft. Seperate Cylinder head, & piston liner. NGH has designed there own Barell Valve carb & fuel pump to suit this tiny spark Ign. engine. Remote REXEL CDI ignition Very powerfull front rotary intake port & boost ported transfers. The most compact & powerfull engine in its class, only the size of most 9cc Nitro Glow plug engines. Power output : 1.47hp @ 14600rpm Recom. prop. size : 11X6-13X6 Weight nett : 425g. Muffler bolt spacing : 37mm 12 month factory backed warranty. Spares available.