MSD Ignition 89631 - MSD Shift Lights
JEGS Part Number: 121-89631Digital Shift Light
MSD Ignition 89631 Details
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 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.