90 db Only event.
Limited Entries, reduced traffic.
Five 20 mins Session , 4 Run Groups
All cars welcome with different level of experience groups.
Optional Time Trial Series: Speed SF Challenge, compare your lap time with other drivers in your class. Details: http://speedsf.com/speed-sf-challenge/
Saturday - $350 / Sunday - $325
Helmet Rental is not available at this track
For more information, please visit www.speedsf.com/faq