SCCA® Solo classing — unofficial guide
What autocross class is a Nissan 300ZX Turbo (Z31)?
FSStreetBSTStreet TouringFPPrepared
A stock 1984–1989 Nissan 300ZX Turbo (Z31) runs in FS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within BST tire and wheel limits), it runs BST.
Class by preparation level
| Stock (Street) | FS |
| Street Touring | BST |
| Street Prepared | — |
| Street Modified | SSM |
| Prepared | FP |
A “—” means the car isn’t listed at that level; a build lands in the least-prepared category its modifications allow.
Also eligible for
XA/XBXtreme StreetXPX Prepared (open)
From the 2026 rulebook (Appendix A)
Street: '300ZX Turbo (1984-89)' = FS. ST: '300ZX Turbo (1984-89)' = BST. P: '300ZX (Z31 chassis) (1984-89)' = FP.
Other FS 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.