Solo Rules
Solo rules is your home to view the current Solo Rulebook, Supplemental class rules, ProSolo rules, FasTrack, and Rules proposals. The content on this page will provide valuable information for Solo compliance in the SCCA.
To request a new car classification, adjustment or clarification on a rule, click on the link below to submit a letter:
Send a Request to the Solo Events Board
Rule Making Process
The Rule Making Process - coming soon
Rule Making Process Flow Chart
FasTrack
Current and Archived FasTracks
Open Rules Change Proposals
Quick Reference Guides
Helmet Certification Allowances with Label Chart - Updated 01/20/2022
Category Allowance "Cheat" Sheet
Street Category classing by Manufacturer
Solo Spec Coupe (SSC) Official Specifications
Training
Solo Safety Steward (SSS) Webinar Training schedule and registration
For more training material login to your membership at my.scca.com, click on member resources, then file cabinet and finally scroll to Solo
Event Waiver Procedures
Waiver Procedures
Waiver Checklist (47 states, excludes California, Florida, and New York)
Waiver Checklist for California
Waiver Checklist for Florida
Waiver Checklist for New York
Affidavit of Sole Custody
2022 Solo Rules
The 2022 Solo® Rules online are made available by SCCA Solo as a courtesy to our entrants, volunteers, and anyone interested in learning more about technical regulations governing SCCA Solo. If you would like a copy of the printed National Solo Rules, they will be available on Amazon. 2022 Solo Rules - Print Edition
The 2022 Solo Rules online version is available in Adobe Acrobat format, version 10 or later. Download the latest version of Adobe Acrobat Reader here. iPad and iPhone users should save this file in the acrobat reader app, not in ibooks (ibooks crashes when trying to use the search feature).
- Proposed 2023 CAM/Xtreme Street Rules
- 2022 Solo Rules download - Updated 08/24/2022
- 2022 National Tour Series Points
- 2022 ProSolo Class and PSI Updates Summary
Supplemental Classes
Supplemental classes are provided to help give regions other class options for members at their events. Some of these supplemental classes are run at National Solo events and even the Tire Rack SCCA Solo Nationals. Those classes that compete at Solo Nationals are not eligible to win a championship.
Allowed at all National Solo events including Solo Nationals
- Classic American Muscle (CAM)
- Formula SAE
- Xtreme Street (XS)
- Electric Vehicle Experimental (EVX)
Regional only
