OS Max 120AX-BE Bio-Ethanol Engine with E-5020 Silencer

The OS Max 120AX-BE with E-5020 Silencer is designed for powering 120 size models for 3D, precision, and sport flying. It is made with the same mounting dimensions of the OS 91FX but delivering 20% more power. It features a 70D Carb with rearward angled needle valve. Pacakge comes with angular head mount which improves appearance and cooling.