Hobbytech Competition Engine .21 B213 3.49cc 3 Transfers
- Displacement: 3.49cc
- Transfers : 3
- Stroke: 16.6 mm
- Bore: 16.34 mm
- Speed: 6200~36500 (rpm)
- Power: 2.48 HP (CV)
- Crankshaft: 14mm
- Supplied with two venturis 6.5mm (blue) and 7mm (black) in diameter
- Insert for turbo spark plug. Spark plug not included with engine