SCCA® Solo classing — unofficial guide
What autocross class is a Nissan 300ZX Turbo (Z31)?
FSStreetBSTStreet Touring
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.
From the 2026 rulebook (Appendix A)
Street: '300ZX Turbo (1984-89)' = FS. ST: '300ZX Turbo (1984-89)' = BST.
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.