SCCA® Solo classing — unofficial guide
What autocross class is a Chevrolet Corvette (C2/C3)?
CSStreet
A stock 1963–1982 Chevrolet Corvette (C2/C3) runs in CS (Street) under the 2026 SCCA Solo Rules.
Class by preparation level
| Stock (Street) | CS |
| Street Touring | — |
| Street Prepared | — |
| Street Modified | SSM |
| Prepared | — |
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-SClassic American Muscle
From the 2026 rulebook (Appendix A)
Street: 'Corvette (1963-82)' = CS. No ST listing found (1953-62 = ES).
Other CS 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.