Programmable Digital Shift Light, Single RPM Point - 89631 earls-performance For the person who is

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Programmable Digital Shift Light, Single RPM Point - 89631 earls-performance For the person who isOverview: The most universal and easy to use shift light available! Our new compact Digital Shift Light can be installed on everything from 1 cylinder points triggered engines to Modular Ford engines with coil on plug technology. The tiny digital controller inside the compact housing gives you the ability to program the rpm activation points through the easy to view LED panel and two programming buttons. When the engine reaches the activation rpm, the