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
EX -Exihibition (non-championship)
Participants must class themselves according to SCCA RX Rules http://www.scca.com/assets/2015%20SCCA%20RallyCross%20Rules.pdf