Pro FWD is a class in drag racing. The E.T. Bracket categories are no-electronics classes. Delay devices, throttle stops, air shifters, transbrakes, etc. or any device that transmits real-time, on-track data to the driver or any remote location are prohibited. All applicable NHRA rules apply based on elapsed time.
E.T. Bracket classes use a .5-second, full-countdown Tree.