The 55HZ-R DRS engine is designed to meet the unique demands of F3C competition and 3D flight! The Demand Regulator System (DRS) uses pressure to consistently deliver the optimal air-fuel mixture to the engine — regardless of the heli's attitude Two needles on the...

This is the 105HZ DRS 1.05 cu in Helicopter Engine from O.S. Engines. **Additional Technical Info Will Be Added When It Becomes Available.** FEATURES: Same mounting dimensions as a .90 cu in engine Machined blue anodized aluminum heatsink cylinder head Velocity stack increases airflow...

This is the OS 55HZ Hyper Ringed Helicopter Engine with the 40L Carburetor.     Best suited for 3D flight! Amazing power equal to 60 size engine changes the common knowledge of the 50 size helicopter engines! It can be installed in the 50...

The O.S. #7 glow plug is the most widely used O.S. glow plug.Recommended for most current O.S. (and other brands of) 2-stroke R/C engines. FEATURES: Medium heat range plug for most model engine applications.Plug is medium length, without idle bar. For all 2 stroke...

Compatible Products OS Engines Piston: 105HZ OSMG7552 is compatible with OSMG1960, OSMG1961

Compatible Products OS Engines Rear Bearing: 50SX-H, 55HZ, 55AX OSMG3055 is compatible with OSMG0557, OSMG1951, OSMG1955, OSMG1957

This is the 105HZ 1.05 cu in Helicopter Engine from O.S. Engines. **Additional Technical Info Will Be Added When It Becomes Available.** FEATURES: Same mounting dimensions as a .90 cu in engine Machined blue anodized aluminum heatsink cylinder head Velocity stack increases airflow and...

Compatible Products OS Engines Cylinder Liner: 55HZ Hyper OSMG5320 is compatible with OSMG1955, OSMG1957

Compatible Products OS Engines Cylinder Liner: 105HZ OSMG5350 is compatible with OSMG1960, OSMG1961

Compatible Products OS Engines Throttle Arm Assembly: 40L, 55HZ Hyper OSMG9025 is compatible with OSMG1955, OSMG1961, OSMG2438, OSMG2494

Compatible Products OS Engines Carburetor Retainer: #61B, 91HZ OSMG3814 is compatible with OSMG1960, OSMG1961

Compatible Products

Compatible Products