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Air / Fuel Monitors

Adding or upgrading an air fuel ratio gauge is a great way to increase visibility of your engine's air and fuel mixture, which can then be used to tune and improve power for your street or racing vehicle. When you need immediate feedback check out our selection of digital gauges to keep you in the know.

CBM is an authorized MoTeC, Racepak, Holley EFI and AEM Electronics dealer.

View CBM Motorsports products in action here.


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NGK POWERDEX AFX AIR FUEL MONITOR

Part Number: NGK-96604

Price: $305.99

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AEM PERFORMANCE ELECTRONICS X-SERIES OBDII WIDEBAND UEGO AFR SENSOR CONTROLLER GAUGE

Part Number: AEM-30-0334

Price: $249.95


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AEM PERFORMANCE ELECTRONICS X-SERIES WIDEBAND UEGO AFR SENSOR CONTROLLER GAUGE

Part Number: AEM-30-0300

Price: $199.95


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AEM PERFORMANCE DIGITAL WIDEBAND UEGO GAUGE W/ BOSCH LSU 4.9

Part Number: AEM-30-4110

Price: $184.95


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AEM PERFORMANCE ELECTRONICS BOSCH LSU 4.9 REPLACEMENT 02 SENSOR

Part Number: AEM-30-2004

Price: $133.95


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MSD STANDALONE AIR/FUEL WIDEBAND 02 GAUGE KIT WHITE FACE / WHITE BEZEL

Part Number: MSD-4651

Price: $273.95


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MSD STANDALONE AIR/FUEL WIDEBAND 02 GAUGE KIT BLACK FACE / BLACK BEZEL

Part Number: MSD-4650

Price: $273.95