| General data | |
| Year/s of production | 1955 |
| VIN span | 0570 M – 0588 M |
| Number produced | 4 |
| Design | Scaglietti |
| Manufactured by | Scaglietti |
| Technical specifications | |
| Chassis | 510 – Steel tubular frame, oval cross section |
| Length | – |
| Width | – |
| Height | – |
| Wheelbase | 2250 mm |
| Front suspension | Independent wheel suspension, double wishbones, coil springs, Houdaille lever-type shock absorbers |
| Rear suspension | De Dion rear suspension, transverse leaf springs, trailing links, Houdaille lever-type shock absorbers |
| Front track | 1278 mm |
| Rear track | 1284 mm |
| Front tyres | 6.50 x 16 in., Borrani wheels with wired spokes and central locking |
| Rear tyres | 6.50 x 16 in., Borrani wheels with wired spokes and central locking |
| Front brakes | Hydraulically operated aluminium drum brakes |
| Rear brakes | Hydraulically operated aluminium drum brakes |
| Weight | Approx. 780 kg |
| Body material | Aluminium |
| Body type | Race spyder – 2 seats |
| Engine | |
| Type | 129 S – in-line engine, Lampredi front engine |
| Number of cylinders | 4 in line |
| Displacement | 3421,2 ccm |
| Bore and stroke | 102 x 104 mm |
| Camshaft | 2 overhead |
| Valves | 2 per cylinder |
| Compression ratio | 8,5:1 |
| Ignition | Double ignition |
| Lubrication | Dry sump lubrication |
| Maximum power | Approx. 280 hp – 5.800 rpm |
| Maximum torque | – |
| Carburettor | 2 Weber twin carburettors, type 58 DCOA/3 |
| Gearbox | 4 gears + rev. |
| Performance | |
| Top speed | Approx. 280 km/h |
| VINs | |
| S/N 0570 M, 0578 M, 0584 M, 0588 M |