(Incorporating the British Masters Qualifier)
3 July 1983 at St. Erme
| LH Sidecars | 350cc | 500cc Sidecars |
| 1- Barry Huggett & Nigel Shaw* | 1- Steve Schofield | 1- Cecil Taylor & Mal Goodwin |
| 2- Ernie Penfold & Tom Penfold* | 2- Dave Wallis | 2- Ray Cross & Mark Mossman |
| 3- Dave Steer & Alan Marshall | 3- Steve Carter | 3- Chris Barton & Tony Angelico |
| 4- John Fish & M. Bennett | 4- Gary Hickmott | 4- Clyde Cardy & Chris Brown |
| 5- Jim Penfold & Steve Dempsey | 5- Mark Nicholson | 5- Nick Radley & Chris O’Connell |
| 6- Dave Penfold & Dave Apps | 6- David Perry | 6- Dennis Woodgates & Brian Westall |
| 250cc | RH Sidecars (Qualifier) | 500cc (Qualifier) |
| 1- Mark Wadsworth | 1- Steve Dewison & Martin Paul | 1- Bob Dolman |
| 2- Lee Potter | 2- Alan Blewitt & Neville Wilson | 2- Kelvin Tatum |
| 3- David Perry | 3- Chris Trewin & Andy Bray | 3- Kevin Price |
| 4- Andy Riley | 4- Trevor Jones & Barry Husband | 4- Alan Farmer |
| 5- Stephen Collins | 5- Paul Norman & John Mitton | 5- Andrew Riley |
| 6- Ian Rutter | 6- Terry Skinner & M. Harman | 6- Bernie Leigh |
| Left-Hand Sidecar championship was decided with a Run-off. |