Sports Car Club of America

Cars and Rules


The 2015 SCCA® National Solo® Rules are available on-line by the SCCA® Solo® Department to our members, entrants, volunteers, and anyone interested in learning more about the technical regulations governing SCCA® Solo® Competition. If you would like to purchase a hardcopy of the Solo® Rules, please contact SCCA® Merchandise via e-mail or call 1-800-770-2055.

The 2015 SCCA® Solo® Rules are available on-line in Adobe® Acrobat® format. We have chosen to serve this document in its original format using Adobe®'s Portable Document Format (PDF). This allows important documents and forms to be just a mouse click away. With the free Adobe® Reader software, users on any computing platform can navigate, scale, zoom-in, and print PDF files directly within their web browsers.

The official 2015 SCCA® ProSolo® Series Rules are also available on-line in a PDF.

NOTE: Technical Bulletins are periodically issued in Fastrack® News that supersede the information in the Solo® Rules



2015 SCCA® National Solo® Rules - 5-19-2015

Section 13 Street Category - 3-31-2015

Section 14 Street Touring® Category - 1-27-2015 

Section 15 Street Prepared Category - 5-19-2015

Section 16 Street Modified Category - 4-20-2015

Section 17 Prepared Category - 3-31-2015

Section 18 Modified Category - 1-27-2015

Section 19 Kart Category - 1-27-2015

Appendix A - Automobile Classes - 5-19-2015

2015 Match Tour Rules- posted 12-15-2014
2015 SCCA® ProSolo® Rules 2-19-2015


2015 Classic American Muscle (CAM) Rules (2-sided print) - 2-20-2015

2015 Heritage Classic (HC) Class Rules - 3-19-2015

Heritage Classic (HC) Appendix Class Listing - 3-19-2015


Questions? Call Doug at 1-800-770-2055 or email at

FasTrack Draft Minutes- 3/20/2015
(Official Minutes will be in FasTrack) 

All 2015 Solo® Fastrack® News - 4-21-2015


Member Advisory:

 2014-7-25 Kart Safety


Solo® Frequently Asked Questions (FAQ)

2015 Helmet Certifications for SCCA® Solo® events - 1-7-2015

Street Category by Manufacturer - 5-20-2015

Category Allowances (2-sided print) - 1-28-2015


Formula Junior (Karting) Guidelines

Formula Junior B Briggs & Stratton World Formula Restrictor Installation Guide


Process for Rule Changes

Want to make a rules change proposal? Write to the Solo® Events Board (SEB)

Modified Category Competitors: Here's a link to the 2013 SCCA® Club Racing General Competition Rules (GCR).