Edelbrock 91102 Qwikdata Basic-Upgrade
From pro class competitors to weekend warriors, all of the successful racers rely on data acquisition systems to provide them with the winning edge. If you already own a basic QwikData ECU and want to step up to the next level, send your basic ECU back to Edelbrock and they'll upgrade it with their QwikData basic upgrade electronic control unit to match the specs for the advanced unit. An advanced drag racing harness is required for the upgrade. Give yourself the winning edge with help from Edelbrock.