Amendments to Entry List
| BULLETIN # 6 | General Announcements |
| September 30 - Silverstone National | 30 September 2023 @ 8:02 |
SuperSport Endurance Cup
Car No 81 Jamie Hayes/Alex Read/Simon Mauger Guest Class, not Pro-B
Car No 27 Matthew Groom/David Weinberg Withdrawn
Car No 40 Jasver Sapra/Bryan Bransom/Kevin Clarke BMW M3 Pro-A Additional Entry:
National Formula Ford
Additional Entry Car No 10 Josh Smith Van Diemen JL13
Additional Entry Car No 50 David Porter Van Diemen RF92 Guest
September 30 – Silverstone National