22 July 1973 at Frittenden
| Unlimited | LH Sidecars | 400cc – 650cc |
| 1- J. Hawthorne | 1- P. Edwards & R. Inskip | 1- 1- W. Hayward |
| 2- ANOther | 2- J. Penfold & B. Penfold | 2- J. Hawthorne |
| 3- W. Hayward | 3- E. Penfold & B. Penfold | 3- W. Chinnenden |
| 300cc – 350cc | LH Sidecars (Members) | 250cc |
| 1- S. Robinson | 1- J. Penfold & B. Penfold | 1- G. Hickmott |
| 2- B. Hazelton | 2- E. Penfold & B. Penfold | 2- Rob Wilson |
| 3- P. Edwards & R. Inskip | 3- M. Andrews | |
| LH Sidecars (Team Race 2) | LH Sidecars (Team Race 1) | |
| Not Known | Not Known |
20 May 1973 at Frittenden
| Unlimited | LH Sidecars (1st) | 400cc – 650cc |
| Not Known | 1- E. Tysoe & T. Pachol | 1- John Britcher |
| 2- A. Leetham & J. Sampson | 2- L. Newson | |
| 3- E. Penfold & B. Penfold | 3- Roland Schofield | |
| 350cc | LH Sidecars (2nd) | 250cc |
| 1- Roland Duke | Not Known | 1- J. Rownwy |
| 2- John Britcher | 2- M. Andrews | |
| 3- L. Newson | LH Sidecars (Team) | 3- Ray Watson |
| Not Known |