All IHRA Sportsman general rules for the ET that you are running in effect.
After market axles and axles retention device mandatory on entries running quicker than 10.99
SFI 18.1 Harmonic balancer required on entries running quicker than 10.99
SFI 3.2A/1 minimum required for all full bodied entries running 11.49 or quicker. Minimum SFI 3.2A/5 jacket, SFI3.3/1 gloves and arm restraints required for open bodied entries
SNELL approved SN2000 or newer helmet required
Drive shaft loop required on all entries with slicks
Roll cage is mandatory if the entry has an altered floor firewall, or if the vehicle exceeds 135 mph.
SFI 4.1 Transmission shield on all automatic transmission entries running 10.99 or quicker
A minimum of 1 working tail light, visible from 180 degrees is mandatory