[SSDiv6]

Originally Posted by garyc

2021 rule book "front braces may not extend in front of firewall"

Not applicable if you have a roll cage.

Stock Cars Section 11A, page 10 and page 11
BODY: 7, FIREWALL
"Alterations prohibited unless expressly permitted in this section.
Firewall coverings prohibited. Where heater/air conditioning
units have been removed, area must be covered with minimum
.024-inch steel or .032-inch aluminum, including rear hood seal/
flange, as on GM A-body. Minor firewall modifications permitted
to C5 and C6 Corvettes for transmission installation. Roll cage
tubing may run across top or side of inner fender well/strut
tower and attach to frame horn. See General Regulations 7:4."