AIR/FUEL RATIO GAUGE Multicolored bar graph shows ratio from "Lean" to "Rich" Monitors amount of oxygen in exhaust to determine air-to-fuel ratio. 2-1/6" diam. gauge mounts in dash or on or under dash with gauge panel or housing (sold separately). Black bezel, face. Display blacks out when ignition turned off?no visible logos, legends. Instructions included. Note: Can be used with existing factory exhaust sensor, or purchase one from us if vehicle lacks it. Exhaust oxygen sensor also available. Applications: All Makes All Models

The Auto Meter Sport-Comp 2-1/16'' Air Fuel Ratio Gauge works with most OEM and aftermarket oxygen sensors. Auto Meter's trademarked ''tough'' look and bold, easy to read dial faces include florescent red pointers for quick-glance monitoring. The gauge mechanism is quality engineered for extremely long life and a full 270? sweep for maximum accuracy.

The Auto Meter Phantom Air Fuel Ratio Gauge works with most OEM and aftermarket oxygen sensors, if sensor is needed. Phantom electric gauges feature an air core meter movement for accuracy.

The Auto Meter Ultra-Lite Air Fuel Ratio Gauge works with most OEM and aftermarket oxygen sensors, if sensor is needed. Ultra-Lite? electric gauges include a rugged air core meter movement. The full pointer appearance matches the mechanical gauges and when routing electrical wires are preferred, Ultra-Lite? electric gauges are the perfect choice. Plus, this new gauge from Auto Meter sets a new standard in gauge accuracy. The increased sweep of the Full Sweep Gauge makes quick glance viewing easy while the transducer is the most accurate sender available.

The Carbon Fiber Ultra-Lite electrical series includes a rugged air core meter movement. When routing electrical wiring is preferred, these gauges are the choice for you. Works with most OEM and after market oxygen sensors.

Digital Air to Fuel Ratio gauge with LED display. (Electronic)

The Cobalt Series features a black dial face, anodized bezel, white numbering, and blue accents. At night, an explosion of Cobalt blue light shines through the dial and into any interior scheme, from stock to shock. A glowing red gauge pointer provides clear contrast and visibility. Lit using LED technology, the Cobalt Series offers a lifetime of super cool lighting. Works with most OEM and aftermarket oxygen sensors, if sensor is needed - see model 74179 in the Accessories section.

Carbon Fiber electric gauges add a new dimension of style to any type of high performance vehicle. When routing steel braided lines and copper tubing isn't an option, these high quality electric gauges are the perfect choice. Carbon Fiber electric gauges offer the smooth response and accuracy of air core movement, ensuring flawless operation on the street or at the track. Works with most OEM and after market oxygen sensors, if sensor is needed use model 74179.

When split seconds count you only have a fraction of that time to monitor your instruments. Ultra-Lite Full Sweep electric gauges are designed for the professional racer. 270 degree dial face provides the ultimate in clear visibility when you need it most. Gauges have the finest in high-end sending units for unsurpassed accuracy and dependability. They stand up to the pressure and you stay cool! Includes 1/8" NPT sender and 8' wiring harness. Works with most OEM and aftermarket oxygen sensors, if sensor is needed, see Item No.74179.

Works with most OEM and aftermarket oxygen sensors, if sensor is needed - see model 74179.

Works with most OEM and aftermarket oxygen sensors, if sensor is needed - see 74179.

Works with most OEM and aftermarket oxygen sensors, if sensor is needed - see model 74179.

Oxygen Sensor KitFor air/fuel ratio (includes sensor, weather pack harness, and weld fitting).