E.T. cars (13.99 or quicker) must use a helmet meeting Snell 2000, 2005, 2007 or SFI 31.1A, 31.2A, 31.1/2005, 41.1A, 41.2A or 41.1/2005 Specs. Drivers in supercharged, front-engine, open-bodied cars and Funny Cars must wear a helmet meeting Snell SA2000, SA2005 or SFI 31.1A, 31.2A, or 31.1/2005 Specs, any car running 9.99 or quicker in the 1/4 mile requires an NHRA approved FULL face helmet with visor.
SFI Spec 31.1A = Snell SA, open-face helmet
SFI Spec 31.2A = Snell SA, full-face helmet
SFI Spec 41.1A = Snell M, open-face helmet
SFI Spec 41.2A = Snell M , full-face helmet
Label ----- Expires
Snell 2000 1/1/2012
Snell 2005 1/1/2017
Snell 2007 1/1/2019
SFI 31.1A 1/1/2014
SFI 31.2A 1/1/2014
SFI 24.1/2005 1/1/2017
SFI 24.1 (JDRL only) 1/1/2015
SFI 41.1/2005 1/1/2017
SFI 31.1/2005 1/1/2017
SFI 41.2A 1/1/2014
SFI 41.1A 1/1/2014
Modifications to helmet/shield are prohibited. All helmets must have the appropriate certification sticker affixed inside the helmet.