89631 MSD Programmable Digital Shift Light, Single RPM Point

Shift Light Digital Prog ON/OFF 1-12 Cyl Programmable Digital Shift Light, Single RPM Point Supplied with a GMR Pickup, PN 8918, to make installation even easier on diesels, points, coil-on-plug and most any application! The most universal and easy to use shift light available! Our new compact Digital Shift Light can be installed on every