Here's a good link where it's written out clearly:
http://i29dragway.com/wp-content/uploads/2015/07/Basic-NHRA-Safety-Rules.pdf
Relevant to our discussion:
Street Cars
The following items are required for a vehicle and driver to pass tech: Good tires, a solid battery hold down, radiator overflow reservoir, functioning neutral-safety switch, seat belts, and a valid state driver's license or NHRA competition license for all participants. The driver must wear long pants, closed toe shoes, and a shirt.
13.99 seconds (8.59 1/8th) Drive Line Loop with slicks Approved helmet (Full face in open cars), see below SFI 3.2A/1 Jacket in vehicles equipped with non-OEM nitrous oxide, turbochargers or superchargers
13.49 seconds (8.25 1/8th) Roll bar in convertibles SFI seat belts in convertibles
11.99 seconds (7.49 1/8th) Steel Valve Stems Arm Restraints (open cars)
11.49 seconds (7.35 1/8th)
SFI 1.1 or 1.2 Flywheel / Clutch
SFI 6.1, 6.2, 6.3 or 9.1 Flywheel shield
SFI 3.2A/1 approved jacket
6 point roll bar
SFI approved seat belts
10.99 seconds (6.99 1/8th) or Super Street SFI 4.1 Transmission Shield, or at 135 mph Locking transmission dipstick tube Aftermarket axles and axle retainers SFI Harmonic Balancer Roll Cage with altered floor pans, or 135 mph - Window net required Ignition cut-off on all bikes / snowmobiles that exceed 135 mph
9.99 seconds (6.39 1/8th) or Super Gas or 135 mph NHRA Chassis Certification NHRA Competition License SFI jacket & pants 3.2A/5 SFI neck collar & gloves 3.3/1 SFI 29.1 flexplate / 30.1 flexplate shield (AT equipped cars) Full Face Helmet meeting Snell or SFI specifications
150 mph Parachute
(Also note that's a rollbar, which is still multipoint, vs. a full cage)