Sale

Gauges and Accessories› Individual Gauges

Grams Performance

Grams Performance Wideband Air/Fuel Ratio Gauge

$221.54 $210.99 Save $10.55

SKU: G008 G2-99-0055

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Grams Performance Wideband Air/Fuel Ratio Gauge is a 52mm gauge designed to measure the air-to-fuel mixture in your engine. It features a 4-digit LED display with a 3-color sweep (Red, Yellow, Green) for easy visualization. This gauge utilizes a Bosch 4.9 LSU sensor for accurate readings and includes a weld-in bung for installation.

With a 0-5V analog output and an AFR range of 10-20:1, this gauge provides essential data for tuning and ensuring safe engine operation.
Show original supplier description

Part #: G2-99-0055

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.

Wideband Air/Fuel Ratio Gauge | Bosch 4.9 LSU Sensor | For Use w/Gasoline/Diesel/E85 | Dia. 2 1/16 in.-52mm | Depth 1 in. | Smoke Lens | Black

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandGrams Performance
Part NumberG008 G2-99-0055

Videos

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy