Nhra 2024 Rule Book. Beginning on january 1, 2024, head and neck restraint devices will be required for use in all vehicles that run 150 mph (or faster) or 7.49 seconds (or quicker). For the 2024 helmet safety guidelines, it's important to understand how snell and fia standards improve safety.
The new rule, which will take affect on january 1st of 2024, a head and neck restraint device will be required on all cars running over 150 mph, or covering the. 2024 nhrda drag racing classes & rules.