NHRA Helmet Expiration Dates:
- Snell 2015, SFI 31.1, SFI 41.1, SFI 24.1 (JDRL only) Expires 01-01-2027
- Snell 2020, SFI 31.21, SFI 41.1, SFI 24.1 (JDRL only) Expires 01-01-2032
- Snell CMR 2016 (JDRL only), FIA 8860-2010 Expires 01-01-2028
- FIA 8860-2015 Expires 01-01-2033
- FIA 8860-2018 Expires 01-01-2036