7 September 1958 at Bury Gate
| Fastest | LH Sidecars (2) | Invitation |
| 1- J. Vallis | 1- R. Ware & C. Sherwood | 1- A. Henriksen |
| 2- D. Mills | 2- R. Gerring & R. Stimpson | 2- J. Vallis |
| 3- B. Hansford | 3- B. Pierce & L. Simms | 3- D. Mills |
| 650cc | LH Sidecars (1) | 350cc |
| 1- A. Henriksen | 1- J. Steer & W. Davidson | 1- A. Henriksen |
| 2- B. Hansford | 2- R. Gerring & R. Stimpson | 2- B. Stibbs |
| 3- D. Mills | 3- R. Johnson & A. Regan | 3- R. Weller |
| 250cc | 200cc | |
| 1- B. Stibbs | Not Known | |
| 2- R. Golding | ||
| 3- D. Baxter |