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OS Engines
OS MG1320
FF-320 4-Cylinder Engine, from OS Engines, os-mg1320
FF-320 4-Cylinder Engine
Usually Ships in 2-3 Business Days
$2,599.99
FF-320 (53cc) 4-Cylinder Engine
The only ringed piston, "flat four" R/C engine available
- Twin opposing cylinder self dampens most vibration smooths operation for longer engine and airframe life and minimizes vibration related damage to radio gear
- Features pushrod overhead valves, seven ball bearings, propeller locknut assembly and firewall mount
| Displacement | Output | Weight | Muffler |
| 0.809 x 4 (53 cc) | 4.1 @ 8,000 | 77.3 oz | Yes |
| RPM | Bore | Stroke | Recommended Propeller Sizes |
| 1,800-8,500 | 27.7mm | 22mm | 2 Blade: 18x10, 18x11, 18x12, 18x13, 18x14 20x8, 20x9, 20x10, 22x8 |
| Displacement | Output | Weight | Muffler |
| 0.809 x 4 (53 cc) | 4.1 @ 8,000 | 77.3 oz | Yes |
| RPM | Bore | Stroke | Recommended Propeller Sizes |
| 1,800-8,500 | 27.7mm | 22mm | 2 Blade: 18x10, 18x11, 18x12, 18x13, 18x14 20x8, 20x9, 20x10, 22x8 |