This is the Nova Rossi .57 3D helicopter engine. That's some insane power to take your .50 helicopter to the next level of unbelievable performance. Best performance when matched with the Nova Rossi Rex H5 Muffler.

Engine includes gaskets so that you can opt to use 20%, 25%, or 30% Nitro fuel.

Includes:
- 1x Nova Rossi .57 Heli Engine
- 1x HR2 Hot Glow Plug
- 2x Motor Mounting Bolts
- 1x .2mm Copper Head Gasket
- 1x .1mm Copper Head Gasket

Specs:
- Displacement: 9.35cc
- Power Output: 2.39HP @ 18,500RPM
- Practical RPM: 800 - 21,000RPM
- Bore: 23.33mm
- Stroke: 21.94mm
- Nitro Fuel: 20-30%
- Weight: 425g