Individually Owned: 150,657
Corporate Owned: 137,281
Valley Eng Big Twin Aircraft Engine
| Manufacturer Name | Valley Eng |
| Model Name | Big Twin |
| Aircraft Engine Type | Reciprocating |
| Horsepower or Pounds of Thrust (For Reciprocating Engines) |
32 hp |
| Thrust | n/a |
| Number of aircraft regsitrations with this engine type | 3 |