HELMET
For all 10.00 to 13.99 closed-bodied cars, either an open-face or a full-face Snell M2000, M2005, M2010, K2005, SA2000, SA2005,
SFI 31.1A, 31.1/2005, 31.2A, 41.1A, 41.1/2005, or 41.2A helmet with or without a shield is mandatory.
For all 10.00 and slower dune-buggy-type vehicles and all 10.00 to 13.99 open-bodied front-engine or rear-engine supercharged,
turbocharged, nitrous, or naturally aspirated cars, a full-face Snell M2000, M2005, M2010, K2005, SA2000, SA2005, SFI 31.2A, or
41.2A helmet and shield mandatory (goggles prohibited).
For all 9.99 and quicker closed-bodied cars, a full-face Snell M2000, M2005, M2010, K2005, SA2000, SA2005, SFI 31.2A, or 41.2A
helmet mandatory; shield permitted (goggles prohibited).
For all 9.99 and quicker open-bodied front-engine or rear-engine supercharged, turbocharged, or nitrous cars, a full-face Snell
SA2000, SA2005, or SFI 31.2A helmet and shield mandatory (goggles prohibited).
For all 9.99 or quicker open-bodied front-engine or rear-engine naturally aspirated cars, a full-face Snell M2000, M2005, M2010,
K2005, SA2000, SA2005, SFI 31.2A, or 41.2A helmet and shield mandatory (goggles prohibited). See General Regulations 10:7.