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This 91HZ-R 3D Speed Helicopter Engine from O.S. Engines offers an impressive power output for high-performance RC helicopters and glow powered RC helicopters. With a short stroke delivering a wide range of RPMs, you can expect optimal performance from lower RPMs ensuring a stable flight to higher RPMs supporting advanced aerobatic maneuvers. The engine's size and weight make it an ideal choice for larger RC helicopters requiring more power.
Product Details
In The Box
- (1) 91HZ-R 3D Speed Helicopter Engine with:
- (1) No.8 plug
- (1) Check Valve
- (1) Head gasket 0.2mm x 1
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