MSD Performance 8910EIS - Tach Adapter, Electronic Ignition System
If you are triggering an MSD blaster, 5, 6, SCI, or 7 series ignition with its white wire or points terminal, you will need the PN 8910 tach adapter. The PN 8910 will correct the operation of most voltage-triggered tachometers or fuel injection systems that do not work directly off the tach output terminal of the MSD ignition unit.
Supply required signal
Produce spike voltage
Universal
Correct operation of voltage triggered tachs or EFI
