| 1957 DeSoto FireFlite 341 Model Number: S26 | |
| Size (cu-in) | 341 |
| Power (hp) | 295 @ 4600 |
| Torque (lb-ft) | n/a @ n/a |
| Bore (in) | 3.7812 |
| Stroke (in) | 3.8 |
| Compression | 9.25:1 |
| Carburetor | 4V |
| In Valves (in) | 1.94 |
| Ex Valves (in) | 1.75 |
| Firing Order | 1-8-4-3-6-5-7-2 |
| Left Bank | 1-3-5-7 |
| Right Bank | 2-4-6-8 |
| Dry Weight (lbs) | 669 |