Alfa Romeo 105.06, Engine
| Engine capacity | 1,290 cm³ |
| Maximum power (range), hp | 78 - 89 |
| Maximum torque, N*m (kg*m) at rpm. | 103 (11) / 4700 |
| Fuel used | Petrol |
| Engine type | In-line, 4-cylinder |
| Additional engine information | Carburetor |
| Maximum power, hp (kW) at rpm | 78 (57) / 6000 |
| Compression Ratio (Range) | 8.5 - 9 |
| Cylinder diameter (range), mm | 74 |
| Piston stroke (range), mm | 75 |
| Number of valves per cylinder (range) | 2 |