This listing is for a GM HEI Tach feed and power wire combo set. It comes with both the power and the tach feed!

These are made in the USA.

Designed for use on all GM HEI coil-in cap vehicles, Tach Adapter makes installing an aftermarket tachometer clean, easy, and secure. The high temperature connector is rated at 250 Fahrenheit and has brass terminals with color coded wiring(Red 12 gauge battery wire, green 14 gauge tach wire)  for a positive connection and a strong signal, even in harsh underhood conditions.