Voltmeter: 8-18V - C2 Air-Core Gauge (2 1/16") NGK to activate the secondary injector

to activate the secondary injector bank inputs to their injector driver box

Features a rotor-friendly design with low dust for cleaner wheels

The kit also comes with a 4-Ply Silicone coupler to adapt to the size needed for you application

before ordering

You won't be cleaning your wheels nearly as often

Voltmeter: 8-18V - C2 Air-Core Gauge (2 1/16") NGK to activate the secondary injectorFits these Applications: Universal Product Keep tabs on the health and output of your vehicles electrical system safely and accurately. With a patented air core meter movement, this gauge operates with category defining accuracy anywhere from 8 18 volts on negative ground electrical systems. Installation is simple and it can keep you from being stranded on the side of the road. Features: Modern blue LED through the dial lighting provides clear