Helmets: How are they rated?
Our helmets are certified to Snell Standards. The current Snell rating is 2005. Auto racing helmets are rated as either M, SA or K (Also known as M2005, SA2005, K2005 or M05, SA05 and K05)
or to SFI 31.1/2005 standards.
M standard is for Motorcycle or motorized highway vehicles. M rated helmets are to be used for motorcycles, motorized highway vehicles and also for types of racing that do not require a fire retardant rating. (We recommend that you consult your sanctioning organization for specific helmet requirements.) M rated helmets also require a larger eyeport for a wider range of vision.
SA standard ("Special Application") is for helmets that meet the standards necessary to be used in competitive automotive sports and racing (including NHRA) and require a fire retardant rating for interior compartment components as well as the helmet shell, shield and chinstrap. SA helmets are also subjected to additional testing including a test which simulates a roll bar impact including penetration and impact tests.
K rated helmets are used for Karting applications. They are subjected to the same test standards as SA helmets except the do not require a fire retardant interior.
SFI 31.1/2005 is the most current SFI Foundation's rating for fire retardant motor sports helmets and it is comparable to the Snell SA2005 rating. Both SA2005 and SFI 31.1/2005 are accepted by the NHRA as acceptable helmet ratings.
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