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.91 RZ-H Heli Engine 91RZ-H
Now available in a rear-exhaust design!		 .91 SZ-H PH-Hyper Heli Engine 91SZ-H PH-Hyper
The new power plant of choice for FAI competitors		 FS-52H Surpass FS-52H Surpass
Incredible four-stroke heli power
70 SZ-H Ring 3D 70SZ-H Ring 3D
Increase power with drop-in ease		 .50 SX-H Ring Hyper 50SX-H Ring Hyper
A Hyper engine for superior heli performance!		 .32 SX-H Ringed 32SX-H Ring
Plentiful power for 3-D thrills!
.91 SZ-H Ringed Heli Engine 91SZ-H Ringed
Beating the competition again		 .37 SZ-H Ring 37SZ-H Ring
Plentiful power for 3-D thrills!		    

Glow Plugs

O.S. Dimension Chart - Metric - Standard

Engine Specifications
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