NO BOX CLASS 1. No Electronics. The use of Delay Boxes is prohibited. Electric and or pneumatic shifters are allowed. Single stage line locks, two steps and trans brakes are permitted. This class will remain be a true no box category. No Dragsters 2. Stutter Boxes, Timed Down Track Throttle Stops, and Wheel Pickup Sensing Devices are prohibited. MSD 7731 ARC module PROHIBITED 3. All cars must meet general safety requirements as per the IHRA rule book. 4. All cars have to have a hood or breather. 5. Delay box must be REMOVED from car if running in No Box. If delay box is found in car while running during No Box class it will be grounds for immediate disqualification from event.