NHRA Safety Rules Overview
Aftermarket rear axles: 10.99 and quicker. All cars with a spool.
Auto trans flex plate and flywheel shield: 9.99 and quicker.
Auto trans reverse lockout: Required on ALL vehicles.
Bellhousing/scattershield: 11.99 and quicker
Driver restraint system: 11.99 and quicker. Convertibles, 13.99 and quicker.
Driveshaft loop: 13.99 and quicker. (See update below)
Flywheel/clutch: 11.99 and quicker. (See update below)
Harmonic balancer: 10.99 and quicker.
Helmet: 13.99 and quicker.
Liquid overflow: Required on ALL vehicles.
Mechanical master cutoff switch: 9.99 and quicker or over 135 mph.
Neck collar: 9.99 and quicker.
NHRA Competition License: 9.99 and quicker.
NHRA Chassis Sticker: 9.99 and quicker.
Padding - roll bar/cage: 13.99 and quicker or over 135 mph
Parachute: 9.99 and quicker or over 150 mph
Pressurized bottle DOT approved: Required on ALL vehicles.
Protective clothing: 9.99 and quicker, full coverage. 10.0-11.99 jacket.
(note: nylon or nylon type clothing and open toe shoes prohibited)
Roll bar: 11.99 and quicker. Convertibles, 13.99 and quicker. (See update below)
Tail light: Required on ALL vehicles.
Window net: 9.99 and quicker.
Beginning Jan. 1, 2005:
A roll bar and an SFI 16.1 driver-restraint system will be mandatory on any vehicle running 11.49 or quicker and for convertibles running 13.49 or quicker. An SFI 3.2A/1 jacket will be mandatory for all drivers in vehicles running between 10.00 to 11.49 seconds.
On any car running 11.49 or quicker, a flywheel and clutch meeting SFI Spec 1.1 or 1.2 and a flywheel shield meeting SFI Spec 6.1, 6.2, 6.3, or 9.1 will be mandatory.
A driveshaft loop will be required on all cars running 13.99 or quicker and utilizing slicks, except vehicles equipped with street tires running 11.49 or slower.
Beginning January 1, 2007:
Helmet Expiration Dates:
Effective Jan. 1, 2007, where a Snell- or SFI-rated helmet is required in competition, the Snell 95 and SFI 31.1, 31.2, 41.1, and 41.2 helmets will no longer be allowed.
From the 2007 NHRA Rule book:
10:7 Helmets and Googles
As outlined under Class Regulations, drivers in all classes, including motorcycles, must wear a helmet meeting Snell or SFI Specifications. Snell K-98 is acceptable in place of any Snell M-rated helmet.
-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, closed face helmet
Drivers of NHRA Lucas Oil Drag Racing Series and ET cars (13.99 and quicker) must use a helmet meeting Snell K98, 2000,2005 or SFI 31.1A, 31.2A, 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. See Class Requirements.
Drivers of any open bodied car wearing an "open face" helmet must wear protective goggles. Modifications to helmet/visor/shield are prohibited. All helmets must have the appropriate ceritification sticker affixed inside the helmet.
NHRA Helmet Expiration Dates
-SFI 31.1A, 31.2A, 41.1A, 41.2A.....1/1/2014
-SFI 31.1/2005 and 41.1/2005.....1/1/2017
24.1 - Youth Full Face Helmet
31.1/2005 - Full Face Helmet
31.1A - Open Face Helmet with Snell SA Rating
31.2A - Full Face Helmet with Snell SA Rating
41.1/2005 - Open Face Helmet
41.1A - Open Face Helmet with Snell M Rating
41.2A - Full Face Helmet with Snell M Rating
Beginning Jan. 1, 2007, all Comp competitors will be required to have an oil-retention device meeting either SFI Spec 7.1 or 7.2. For Jan. 1, 2008, the same rule will apply for Super Gas, Super Comp, and any E.T. vehicle running 9.99 or quicker or 135 mph or faster. NHRA is developing an implementation strategy for an oil-retention device meeting the SFI specification for the reminder of the NHRA Lucas categories.
For all NHRA Sportsman and E.T. racers, a functional light must be visible from the rear of the car. This eliminates all reference to night racing only, meaning a light must be functional at all times.