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O.S. .37 SZ-H Ringed
List Price: $279.99
Our Price: $145.95
You Save $134.04!

O.S. Max .37 SZ-H Ring Helicopter Engine. (Two year limited warranty)
O.S. .50 SX-H Ringed Hyper
List Price: $349.99
Our Price: $195.95
You Save $154.04!

O.S. Max .50 SX-H Ring Hyper Helicopter Engine with Hyper Cooling Head and 60LH Carburetor.
O.S. .91 SZ-H PH-Hyper w/Pump & Regulator
List Price: $649.99
Our Price: $389.95
You Save $260.04!

O.S. Max .91 SZ-H PH Hyper Helicopter Engine with Pump.
O.S. .91 RZ-H Ringed Rear Exhaust
List Price: $599.99
Our Price: $329.95
You Save $270.04!

O.S. Max .91 RZ-H rear exhaust helicopter engine.
O.S. .91 RZ-H DH Rear Exhaust
List Price: $599.99
Our Price: $299.95
You Save $300.04!

O.S. Max .91 RZ-H DH Rear Exhaust Helicopter Engine.
   
 
 
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