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Leading the trend of touchscreen-controlled standalone EFI systems, Holley (www.holley.com) introduced its new line of fuel-injection controls, including the Avenger, HP, and Dominator EFI systems. The names sure sound familiar, but the capabilities of these systems is far beyond those of their carbureted namesakes. From self-tuning and touchscreen control to boost control and progressive nitrous control, these systems are powerful. They even offer an optional Holley water-methanol injection system with controls integrated in the HP and Dominator systems.