13 September 1981 at Frittenden
| Unlimited | RH Sidecars (2nd) | 500cc |
| 1- Duncan Tolhurst | 1- John Elkins & Nick Beadle | 1- Brian Webb |
| 2- Gary Hickmott | 2- Rob Wilson & Vince Jones | 2- Duncan Tolhurst |
| 3- Anthony Hansford | 3- Gary Hickmott | |
| LH Sidecars (2nd) | RH Sidecars (Presidents Trophy) | LH Sidecars (1st) |
| 1- Jim Penfold & ANOther | 1- Brian Luker & David Day | 1- Mick Turrell & Tony Strevens |
| 2- Ernie Penfold & T. Adams | 2- Rob Wilson & Vince Jones | 2- Dave Steer & John Wellstead |
| 3- Dave Steer & John Wellstead | 3- Mike Baxter & Dan Tulley | 3- Ernie Penfold & T. Adams |
| 350cc | 250cc | |
| 1- Duncan Tolhurst | 1- Simon Whorlow | |
| 2- Gary Hickmott | 2- Paul Luff | |
| 3- Chris Bartlett | 3- Bernie Edwards |