9 September 1973 at Detling
| Solo Championship | LH Sidecars (2) | Maidstone Aces Solo Cup |
| Not Known | Not Known | 1- I. Barnes |
| 2- I. Peacock | ||
| 3- R. Collins | ||
| 344cc – Unlimited | LH Sidecars (1) | 244cc – 350cc |
| 1- Roland Duke | 1- G. Smith & A. Rouse | 1- B. Glenn |
| 2- J. Hawthorne | 2- E. Penfold & T. Penfold | 2- Barry Hazelton |
| 3- D. Mitchell | 3- P. Edwards & R. Inskip | 3- M. Andrews |
| LH Sidecars (Team Race 1) | 250cc | LH Sidecars (Team Race 1) |
| 1- P. Edwards & R. Inskip (Frittenden) | 1- Dave Eagland | 1- J. Penfold & B. Penfold (Frittenden) |
| 2- A. Leetham & J. Sampson (Maidstone) | 2- E. Tysoe & T. Pachol (Brighton) | |
| 3- B. Tappenden & B. Simmonds (Maidstone) | 3- D. Aungier & J. Pout (Grove Park) |