SCCA® Solo classing — unofficial guide
What autocross class is a Ford Mustang Boss 302 Laguna Seca?
ASStreetCPPrepared
A stock 2012–2013 Ford Mustang Boss 302 Laguna Seca runs in AS (Street) under the 2026 SCCA Solo Rules.
Class by preparation level
| Stock (Street) | AS |
| Street Touring | — |
| Street Prepared | — |
| Street Modified | SM |
| Prepared | CP |
A “—” means the car isn’t listed at that level; a build lands in the least-prepared category its modifications allow.
Also eligible for
CAM-CClassic American MuscleXPX Prepared (open)
From the 2026 rulebook (Appendix A)
Street: 'Mustang Boss 302 Laguna Seca (2012-13)' = AS; non-LS = FS. P: 'Mustang (S197 chassis, non-supercharged) (2005-14)' = CP.
Other AS cars
Unofficial guidance verified against the 2026 SCCA® Solo® Rules — always confirm against the current rulebook before competing. Classing data cites the exact Appendix A wording it relies on. Spot an error? Report it on GitHub.