3 June 1973 at Monkspath
| Silver Helmet | RH Sidecars (3) | Unlimited |
| 1- John Bowley | 1- Trevor Higgs & Nick Gidaro | 1- John Bowley |
| 2- Cyril Jones | 2- Frank Verlic & Alan Prescott | 2- Tig Perry |
| 3- John Webb | 3- Mick Taylor & Dick Preece | 3- Jim Heritage |
| 500cc | 350cc | 250cc |
| 1- Tig Perry | 1- Tig Perry | 1- Tig Perry |
| 2- John Bowley | 2- Colin Davenport | 2- Terry Owen |
| 3- John Webb | 3- Colin Sweby | 3- Cyril Jones |
| RH Sidecars (2) | RH Sidecars (1) | |
| 1- ANOther | 1- Alan Artus & Graham Higgin | |
| 2- Frank Verlic & Alan Prescott | 2- Frank Verlic & Alan Prescott | |
| 3- Steve Smith & Roy French |