Profile: Digital Delay, Inc. is a manufacturer of processor based delay boxes. Our product line includes delay boxes, dial boards, switch panels, RPM switches, and throttle shops and timers. Our Elite 500 delay box is featured with crossover delay box tap up, and tap down to .001 seconds on the same pass, 3 push-button modes, and expanded driver reaction testers. Our RPM 1 shift has a single adjustable digital shift point. The RPM can be adjusted in 100 RPM increments, and is retained in memory even when power is removed. It is featured with auto reset, shifts one or two gears at the same RPM, has microprocessor controlled timing, and works with 4, 5, 6, 8, 10, 12 cylinder engines.