NHRA has made the following requirement on all vehicles in competition for the 2017 season and beyond.

For all 9.99 and quicker closed-bodied cars, a full-face Snell M2005, M2010, M2015, K2005, SA2005, SA2010 or SA2015 helmet mandatory; shield permitted (goggles prohibited).


For all 9.99 and quicker open-bodied front-engine or rear-engine supercharged, turbocharged, or nitrous cars, a full-face Snell SA2005, SA2010, or SA2015 helmet and shield mandatory (goggles prohibited).


For all 9.99 or quicker open-bodied front-engine or rear-engine naturally aspirated cars, a full-face Snell M2005, M2010, M2015, K2005, SA2005, SA2010, or SA2015 helmet and shield mandatory (goggles prohibited). See General Regulations 10:7.


​SECTION 20: GENERAL REGULATIONS, DRIVER:10, 10:5 DRIVER RESTRAINT SYSTEM (Page 44) (10/25/16) A quick-release, "3-inch-minimum-width" delete driver restraint system, "with a"2-inch crotch strap," delete meeting SFI Spec 16.1 or  "a 2-inch-minimum-width driver restraint system, with a 2-inch crotch strap meeting" delete SFI Spec 16.5 is mandatory in all cars in competition required by the rules to have a roll bar or a roll cage. (Permitted in all other classes.) Driver restraint system must be clearly labeled as meeting SFI Spec 16.1 or SFI Spec 16.5 and be dated by manufacturer. SFI 16.1 or 16.5 3- inch-wide shoulder harness straps folded over and sewn to be 2 inches wide by the original manufacturer in order to fit into head and neck restraint lips/channels are acceptable; "SFI 16.1 2- inch-wide shoulder harness straps are not permitted," delete. See Class Requirements for additional requirements for Top Fuel and Funny Car. SFI Spec 16.1 or 16.5 Y-type belts prohibited. (In cases where the class does not require an SFI 16.1 or 16.5 driver restraint system, the two-year recertification does not apply.) System must be updated at two-year intervals from date of manufacture. All seatbelt and shoulder harness hardware must be originally designed to be used with each other and produced by the same manufacturer. For harness installation, see illustration. Cars using OEM or OEMtype seat may route crotch strap in front of seat instead of through seat; 


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IMPORTANT RULE REVISIONS

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