1 July 1973 at Honeydon
| 500cc | RH Sidecars | 350cc |
| 1- T. Pepper | 1- Reg Blackbourn & Ivan Wright | 1- Roland Duke |
| 2- Brian Maxted | 2- Ken Smith & Mick Burr | 2- John Bowley |
| 3- Richard Moore | 3- Roger Measor & Trevor Bullock | 3- Tig Perry |
| 4- Peter Collins | 4- Geoff Rawlings & Roger Oxeham | 4- John Britcher |
| 5- Roland Duke | 5- Stephen Todd & Frank Burke | 5= Chris Hendriksen |
| 6- John Britcher | 6- Doug Teasdale & John Arkle | 5= Dave Baybutt |
| 250cc | ||
| 1- Peter Collins | ||
| 2- Bill Stanford | ||
| 3- Tig Perry | ||
| 4- Dave Brown | ||
| 5- Denny Barber | ||
| 6- Colin Packman |