Classes:
SR –Stock RWD
SF-Stock FWD
SA -Stock AWD
PR –Prepared RWD
PF- Prepared FWD
PA –Prepared AWD
MR -Modified RWD
MF –Modified FWD
MA –Modified AWD
C2 -Constructors 2WD
C4 -Constructors 4WD
EX -Exihibition (non-championship)
Participants must class themselves according to SCCA RX Rules https://www.scca.com/pages/rallycross-cars-and-rules