

| Bezeichnung/description | John Treen MK2 Special |
| Jahrgang/year | 1951/1952 |
| Kennzeichen/registration | MPO79 - Works prototype 300RPJ (later re-registration) plus other cars, less tahn 10 Treen MK2 Specials |
| Chassis-Basis/chassis base | Treen design; Tubular |
| Chassisnummer/chassisnumber | Treen numbering AEC*** (Amberley Engineering Company) |
| Chassisjahrgang/year chassis | 1951/1952 |
| Motortyp/engine typ | Riley 9 1100cc Riley "Merlin" cylinder-block and crankshaft Dixonised camshafts 4-AMAL carburettors |
| Motornummer/engine number |
various
|
| Motorjahrgang/year engine | various |
| Bodyhersteller/bodymanufacturer |
Treen / Amberley Engineering Company
|
| Rennhistory/racing history | t.b.a |
| Information |
mid-mounted gearbox
Torsion-bar rear suspension |