This will affect some of you fast guys

[Don Eckel 111]

Originally Posted by James Hensler

I don’t think the Hemi cars had to???

From the 12/6/22 amendments.

SECTION 13: COMP, DRIVER: 10, NECK COLLAR/HEAD AND NECK
RESTRAINT DEVICE/SYSTEM (New Section after HELMET) (Page 6)
(12/6/2022)
A head and neck restraint device/system meeting SFI 38.1 mandatory and must
display a valid SFI label. At all times that the driver is in the race vehicle, from the
ready line until the vehicle is on the return road, driver must properly utilize an
SFI 38.1 head and neck restraint device/system, including connecting the helmet
as required for full functionality of the device. The head and neck restraint
device/system, when connected, must conform to the manufacturer’s mounting
instructions, and it must be configured, maintained, and used in accordance with
the manufacturer’s instructions. Modification of the device is prohibited. An SFI
38.1 head and neck restraint device can be used with, or without, a neck collar;
when a neck collar is not used, an SFI 3.3 head sock or SFI Spec 3.3 skirted
helmet is required.