The 12 different race series the CSCC organise are -
Adams & Page Swinging 60s for Sports, Saloons and GT cars from the 1950s, 1960s and pre 1978 cars on carburettors. Grids are often split into Group 1 for smaller cars, Group 2 for Lotus, 6 and 8 cylinder cars. Co-ordSport Tin Tops for Saloons and Hot Hatches under 2 litres from any period. This includes a class for road-legal Mazda RX-8, the '
RX-8 Trophy'. Lohen Turbo Tin Tops for Supercharged and Turbocharged front-wheel-drive cars. Advantage Motorsport Future Classics for Sports, Saloons and GT cars from the 1970s and 1980s. Gold Arts Magnificent Sevens for all makes and models based on the Lotus Seven & Caterham style 'kit' car. JMC Racing Special Saloons and Modsports bringing back the 70s and 80s Modsports, Thunder saloons and Special GTs. Modern Classics for Sports, Saloons and GT cars produced to the end of 1999. Mintex Classic K for pre 1966 GT and Touring cars running to FIA Appendix K. WOSP New Millennium for post year 2000 production based cars, on treaded MSUK List 1A/B/C tyres. Verum Builders Open series for Saloon, Hatchbacks, Sevens, Sports, GT's and Kit Car marques of any age, on treaded MSUK list 1A/B/C tyres. Liqui Moly Slicks Series for all Saloon, Hatchback, Sports, GT and some Silhouette, Special Saloon or Modsports cars with doors, on Slick or racing wet tyres
Puma Cup, for 1.7 litre Ford Puma, running to a controlled set of regulations.