NHRA Helmet Expiration Dates:
- Snell 2010 (expires 1/1/2022), Snell 2015 (expires 1/ 1/2027)
- SFI 31.1 and 41.1/2010 (expires 1/1/2022, SFI 31.1 and 41.1/2015 (expires 1/1/2027)
- Snell CMR 2007 (JDRL only) expires 1/1/2019, Snell CMS 2007 (JDRL only) expires 1/1/2019.
- SFI 24.1/2010 (JDRL only) expires 1/1/2022, SFI 24.1/2015 (JDRL only) expires 1/1/2027