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MSD Ignition 89631 - MSD Shift Lights

MSD Ignition 89631 - MSD Shift Lights

MSD Ignition#121-89631

Digital Shift Light
  • Programs from 100-15,900 rpm
  • 1-12 Cylinder Applications
  • Single Shift Setting

    MSD Ignition 89631 - MSD Shift Lights Details

    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 six red LEDs illuminate brightly. The DSL can be installed on single cylinder engines up through 12-cylinders on stock ignitions or high-powered aftermarket systems.

  • Works on just about any engine
  • Six bright LEDs are easy to view in daylight and can be dimmed at night.
  • Programs in 10 rpm increments
  • Supplied with a GMR pickup

    Note: The GMR is a little device that simply attaches, no slicing or cutting, to a current carrying wire and turns that information into a 12-volt rpm signal. It makes installation even easier on diesels, points, coil-on-plug and most any other applications.

  • MSD Ignition 89631 - MSD Shift Lights

    MSD has different Shift Lights to cover multiple applications. From their basic shift light (121-8952) to their digital programmable units (121-8963 and 121-89631) they have one that will work best for your vehicle. If you need a shift light, look to MSD for some of the best available with the functions you want.

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