Originally posted by Kremithefrog:
For autox, open face is fine. Just must be snell approved. For track events, it's best to check with the specific group. SCCA, NASA, and others may vary in their requirements. Typically, if you meet SCCA rules, you'll be fine for anything else. Check out www.scca.com
Can't find anything on the SCCA website for helmets.... 
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ
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