5 Litre Touring CarsC & AFormula FordGroup SHTC Over 2 LitreHTC Under 2ltrJ, K, Lb Sports & Racing & invited Formula Vee & Invited SaM Sports, O Sports, O Racing, Formula Junior & InvitedPitsQ & R Racing, F5000, F1 & Indy Cars & InvitedQ & R SportsRegularity