Grams Performance & Design

Wideband 52mm Air/Fuel Ratio Gauge (G2-99-0055)

Find a lower price!?

( We'll refund the difference! )

Give us a call to get the best prices and parts for your build. Or, just call us with a cool racing story...either way we're here.

Email -

Phone 1-888-627-3736

Fits Your:
FREE Delivery Expected by , when ordered within hrs and mins

Earn  $4.82 In MAP Rewards!

Wideband Air/Fuel Ratio Gauge by Grams Performance

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”) with an LED display that features a 3 color sweep from red, yellow to green. The Grams Wideband utilizes the latest Bosch® 4.9 LSU sensor that displays an easy to read 4 digit display with speedy accuracy down to 0.001.


  • 52mm (2.047”) Gauge Housing
  • 0-5v analog output (10-20 AFR)
  • Bosch® 4.9 LSU sensor with weld-in bung included
  • Accuracy down to 0.001 with a 4 digit display
  • Display output from 10:1 to 20:1 AFR
  • LED Display w/ 3 Color sweep from red, yellow, green


  • Universal

What's In The Box?

  • 1 - 52mm Wideband AFR Gauge
  • Necessary Wiring and Hardware



Grams Manufacturer's Warranty

Customer Reviews

No reviews yet