AC Air / Fuel Ratio S7 Nite Glow Race Gauge. Do you feel that your car is running too rich or too lean? Well how can you tell? Well with this AC S7 Air Fuel Ratio gauge you can get the correct reading from your car to determine if you are running to rich or too lean or just at the right fuel mixture.

The S7 EL technology of style, clarity and multi-colored: consisting of super white, blue, red, and orange are introduced through the S7 Race Gauges. The S7 Race Gauges compliment the S7 Series of products with its useful measurements such as oil and water temperature, oil pressure, volt, boost, and air fuel ratio. Each gauge is precision crafted for accuracy as well as designed for maximum visual appeal.