“Bodyshell” definition: shell with roof, doors and rear wings (carbon fibre panels are allowed with the exception of rear wings, and a rear spoiler must be retained)
Structural bodyshell modifications include: seam welding, alterations to the floorpan and suspension points, removal of OEM bracketry and changes to basic silhouette of the bodyshell
All cars must have two working headlights and rear light clusters
Bolt-in rollcages are allowed in all classes but must be properly fitted; bolted to plinths or footplates, bolts facing the correct way
Cars with weld-in rollcages in Class A or B will move up to the next class
One part of the rear seat can only be removed to allow fitment of a harness (or harnesses)
Cars with carbonfibre or glassfibre (front and/or rear) doors must have a rollcage fitted with door bars
Cars must have a valid MOT at the time of the event as the recognised safety standard
All cars will be scrutineered for Class at each event
Tyres cannot be swapped between cars during an event
Professional or paid drivers are welcome but will not be eligible for points in the Overall Leaderboard unless driving their own car
Maximum of two drivers per car per event