Official Ultra4 Rulebook requirements for pit-support vehicles, including vehicle identification and pit pass placement.
Section 9 • Pit-Support Vehicles
9.1.1
Visibility
All pit-support vehicles shall display minimum 4” (100mm) high white numbers corresponding to the entrant number of the vehicle they are pitting for, on both sides of vehicle on side windows, on upper passenger-side corner of front windshield, and on rear window. Pit support vehicles must have current Ultra4 pit pass attached to lower passenger- side corner of front windshield.
