# Grams Performance Wideband Air/Fuel Ratio Gauge

For optimum power and safety, measuring your air/fuel ratio is imperative when tuning. The Grams Wideband Air/Fuel Gauge measures at 52mm (2.047 in.) with an LED display that features a 3 color sweep from red, yellow to green. The Grams Wideband utilizes the latest Bosch(R) 4.9 LSU sensor that displays an easy to read 4 digit display with speedy accuracy down to 0.001.

-   LED Display w/3 Color Sweep From Red/Yellow/Green
-   Accuracy Down To 0.001 With A 4 Digit Display
-   Bosch® 4.9 LSU Sensor w/Weld-In Bung
-   Display Output From 10:1 to 20:1 AFR
-   2.047 in. - 52mm. Gauge Housing
-   0-5v Analog Output - 10-20 AFR

## Details

- **Price:** 321.05 CAD
- **Vendor:** Grams Performance
- **Type:** Gauges

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 321.05 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/grams-performance-wideband-air-fuel-ratio-gauge)
> Updated: 2026-08-30