| Technical Data | |
| Year of construction | 1953 |
| Production | 1 |
| Engine | V12 60° front engine |
| Displacement | 4,101 ccm |
| Bore & Stroke | 80x68 |
| Compression | 8:1 |
| Weight | 900 Kg |
| Brakes | drum brakes |
| Power at 6600 RPM | 300 HP |
| Top speed | 280 kp/h |
| 0-100 kp/h | - sec |
This 340 MM was originally built with a Touring Spider body, it was the official car in the 1953 Mille Miglia.
Due to an race accident in 1954 the car was heavy damaged, there was no way to repair the body.
The new created body by Scaglietti remind of the Ferrari 500 TRC.