Competition is limited to full bodied entries IHRA Summit Super Series license mandatory for eligibility to compete at the World Finals.
Automated shifter: Prohibited unless OEM.
Data recorders are prohibited.
Delay Boxes, trans-brakes, 4-wheel line locks prohibited. Two-wheel line locks permitted on non-drive wheels only.
Ignition: Stutter boxes prohibited. Single stage (high side only) rev limiters permitted. Starting line rev limiters prohibited. Two step rev limiter prohibited, any other rpm limiting devices installed so as to function as a down-track rpm controller are prohibited.
Switches & buttons: All switches and/or buttons must be standard mechanical connection type.
Throttle control: Throttle must be manually operated by the drivers foot. Electronics, pneumatics, hydraulics or any other device may in no way affect the throttle operation. A fixed stop under carburetor or gas pedal is permitted. Throttle timers, staging controllers and counters prohibited.
Open exhaust headers and racing slicks permitted.
Deep Staging is allowed. Car must be marked on all 4 sides with the word DEEP. Courtesy staging rule is in effect with the exception of a race in which there is a car marked DEEP, starter will not activate tree until deep car has went deep, starter has option of not enforcing this rule if deep car is taking too much time to go deep.