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X-digital wideband technology gives these controllers the ability to read and report values that other controllers do not, which can deliver more optimized engine tuning and a safer overall operating condition. The gauge includes a 0-5v and rs232 serial Port output for feedback control and data logging, and an AEMnet CANbus output for data logging.

5bar digital boost display gauge combines incredible looks, increased readability and a multitude of new, increased readability and a multitude of new, easy-to-use features! The x-series wideband uego afr sensor controller gauge pn 30-0300 measures 2 1/16th-inch 52mm in diameter, and features a modern, easy-to-use features! Aems 30-0301 x-series 100 psi/7 bar digital oil/fuel pressure gauge combines incredible looks, visually striking faceplate and new seven-segment center display.


All gauges are brand new, complete in box. Aem’s 30-0307 x-series 150 psi/10 bar digital oil pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly accurate oil or fuel pressure readouts in their high performance vehicle.

Aem tru-boost gauge-type controller is an electronic boost controller that combines the simplicity of a manual boost controller with the added ease of adjusting boost levels through a gauge interface.
0-5v & rs232 output for data logging and feedback control, aemnet canbus for data logging and daisy-chaining multiple controllers up to 16 cylinders Can display AFR values in hundredths of % 52mm gauge diameter and slim 0825 inch gauge depth Gauge cup depth only. 200 inch deep! auto dimming feature user configurable display via buttons on the gauge face for changing AFR values, Lambda and O2%, and 3- or 4-digit display. There is no external interface required for set up, and it is fully functional right out of the box. 17 competitor wideband AFR controllers Includes Bosch 4.


Includes Bosch 4. 9lsu wideband UEGO sensor. 17 competitor wideband AFR controllers. This aem 2 gauge kit is a popular combo Compatible with commonly used gauges and Compatible with.

17 competitor wideband AFR controllers. Our official maperformance lanyard included as a special bonus! aems 30-0301 x-series 100 psi/7 bar digital oil/fuel pressure gauge combines incredible looks, and features a modern, easy-to-use features! The x-series wideband uego afr sensor controller gauge pn 30-0300 measures 2 1/16th-inch 52mm in diameter, increased readability and a multitude of new, visually striking faceplate and new seven-segment center display.

1. AEM
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AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge
#adAEM #ad - When tuning an engine using wideband afr feedback control on an inertia dyno, dead time affects the data you are looking at because it is reported in a different operating location than when it actually occurred.X-digital wideband technology gives these controllers the ability to read and report values that other controllers do not, which can deliver more optimized engine tuning and a safer overall operating condition. The gauge includes a 0-5v and rs232 serial Port output for feedback control and data logging, and an AEMnet CANbus output for data logging.
More information #ad
Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. The x-series wideband uego afr sensor controller gauge pn 30-0300 features a modern, visually striking faceplate and new seven-segment, center display that is 87% larger than the 30-4110 AEM.Brand | AEM #ad |
Manufacturer | AEM #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 1.43 Pounds |
Width | 0 Inches |
Part Number | 30-0300 |
Model | 30-0300 |
Warranty | Manufacturer warranty |
More information #ad
2. AEM
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AEM 52mm X-Series Gauge Kit Wideband Air/Fuel & Oil/Fuel Pressure & Boost Turbo w/MAP Lanyard Black
#adAEM #ad - Slim 0825 overall gauge depth and 0200 cup depth mount them virtually anywhere! Black faceplates and bezels included. Our official maperformance lanyard included as a special bonus! Aems 30-0306 x-series -30in/hg~35psi / -1~2.5bar digital boost display gauge combines incredible looks, increased readability and a multitude of new, increased readability and a multitude of new, easy-to-use features! The x-series wideband uego afr sensor controller gauge pn 30-0300 measures 2 1/16th-inch 52mm in diameter, and features a modern, easy-to-use features! Aems 30-0301 x-series 100 psi/7 bar digital oil/fuel pressure gauge combines incredible looks, visually striking faceplate and new seven-segment center display.
More information #ad
This aem 3 gauge kit is a popular combo Compatible with commonly used gauges and Compatible with.Brand | AEM #ad |
Manufacturer | AEM #ad |
Weight | 5 Pounds |
Part Number | 30-0300+30-0306+30-0301+MLANYARD |
More information #ad
3. AEM
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AEM X-Series 52mm Wideband UEGO A/F Ratio w/OBDII Gauge Set + Water Temperature + Oil Pressure
#adAEM #ad - 52mm gauge diameter and slim 0825” gauge depth. All gauges are brand new, complete in box. Obdii pass through provides afr readings through the factory ecu can-bus – ideal for users with piggyback programmers or open source tuning software! Aem’s 30-0302 x-series 100-300 f/40-150c digital gauge combine incredible looks, increased readability and a multitude of new, easy-to-use features.More information #ad
Three popular AEM gauges in a convenient combo set. User selectable standard or metric display -30in/hg~35psi / -1~2. 5bar. Aem’s 30-0307 x-series 150 psi/10 bar digital oil pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! .Brand | AEM #ad |
Manufacturer | AEM #ad |
Height | 5 Inches |
Length | 7 Inches |
Weight | 5 Pounds |
Width | 4 Inches |
Part Number | 30-0334 + 30-0302 + 30-0307 |
More information #ad
4. AEM
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AEM X-Series 52mm UEGO A/F Ratio w/OBDII Gauge Set + Boost 35psi + Fuel or Oil Pressure 0-150psi
#adAEM #ad - User selectable standard or metric display -30in/hg~35psi / -1~2. 5bar. 52mm gauge diameter and slim 0825” gauge depth. Three popular AEM gauges in a convenient combo set.All gauges are brand new, complete in box. Aem’s 30-0307 x-series 150 psi/10 bar digital oil pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly accurate oil or fuel pressure readouts in their high performance vehicle.
More information #ad
Obdii pass through provides afr readings through the factory ecu can-bus – Ideal for users with piggyback programmers or open source tuning software! Aem’s 30-0306 x-series -30in/hg~35psi / -1~2. 5bar digital boost display gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features.Brand | AEM #ad |
Manufacturer | AEM Electronic Inc. #ad |
Height | 10 Inches |
Length | 9 Inches |
Weight | 5 Pounds |
Width | 7 Inches |
Part Number | 30-0334 + 30-0306 + 30-0307 |
More information #ad
5. AEM
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AEM COMBO X Series Wideband UEGO AFR & TRU-BOOST Gauge-Type Electronic Controller
#adAEM #ad - No external interface required for programming! two user selectable boost settings with peak boost memory Scramble boost setting allows user to momentarily change boost levels User configurable gauge includes 24 scalable LEDs Interchangeable black and white bezel, black and silver pin guide and black and white faceplate to customize look of display One 1 low-side output included for warning lights 52mm gauge diameter.Aem tru-boost gauge-type controller is an electronic boost controller that combines the simplicity of a manual boost controller with the added ease of adjusting boost levels through a gauge interface.
More information #ad
Includes: aem wideband uego air/fuel ratio afr gauge aem tru-boost gauge-type electronic Boost Controller **Not CARB legal: Not for sale or street use in CA & CARB states. X-series wideband uego controller features: x-series wideband uego afr controller gauge were fastest responding wideband air/fuel ratio controllers in an independent test vs. 0-5v & rs232 output for data logging and feedback control, aemnet canbus for data logging and daisy-chaining multiple controllers up to 16 cylinders Can display AFR values in hundredths of % 52mm gauge diameter and slim 0825 inch gauge depth Gauge cup depth only. 200 inch deep! auto dimming feature user configurable display via buttons on the gauge face for changing AFR values, Lambda and O2%, and 3- or 4-digit display. There is no external interface required for set up, and it is fully functional right out of the box. 17 competitor wideband AFR controllers Includes Bosch 4.
Brand | AEM #ad |
Manufacturer | AEM #ad |
Height | 10 Inches |
Length | 9 Inches |
Weight | 3 Pounds |
Width | 7 Inches |
Part Number | 30-0300 |
More information #ad
6. AEM Electronics
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AEM 2 Gauge Combo Set X-Series Wideband AFR & 15 PSI Boost/Fuel Pressure Gauge
#adAEM Electronics #ad - 15 psi boost or Fuel Pressure Gauge. Slim 0825” overall gauge depth and 0200” cup depth – mount them virtually anywhere! Display gasoline values from 8.More information #ad
0:1 to 200:1 afr. Convenient combo kit with 2 popular gauges and MAPerformance lanyards! 2-1/16th 52mm gauge diameter for easy mounting in gauge pods.Brand | AEM Electronics #ad |
Manufacturer | AEM Electronics #ad |
Weight | 3 Pounds |
Part Number | 30-0300 + 30-0309 + MAP LAN |
More information #ad
7. AEM
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AEM 52mm X-Series Gauge Kit Wideband Air/Fuel UEGO & Oil Pressure 150psi 10 Bar w/MAP Lanyard Black
#adAEM #ad - Slim 0825 overall gauge depth and 0200 cup depth mount them virtually anywhere! Black faceplates and bezels included. The x-series wideband uego afr sensor controller gauge pn 30-0300 measures 2 1/16th-inch 52mm in diameter, and features a modern, visually striking faceplate and new seven-segment center display.Includes Bosch 4. 9lsu wideband UEGO sensor. 17 competitor wideband AFR controllers. This aem 2 gauge kit is a popular combo Compatible with commonly used gauges and Compatible with.
More information #ad
Our official maperformance lanyard included as a special bonus! Aems 30-0307 x-series 150 psi/10 bar digital oil pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features. X-series wideband uego afr controller gauge were fastest responding wideband air/fuel ratio controllers in an independent test vs.Brand | AEM #ad |
Manufacturer | AEM #ad |
Weight | 3 Pounds |
Part Number | 30-0300+30-0307+MLANYARD |
More information #ad
8. AEM
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AEM 52mm X-Series Gauge Combo Kit Wideband Air/Fuel UEGO & 100 PSI/7BAR Oil/Fuel Pressure w/MAP Lanyard Black
#adAEM #ad - This aem 2 gauge kit is a popular combo Compatible with commonly used gauges and Compatible with. Includes Bosch 4. 9lsu wideband UEGO sensor. Slim 0825 overall gauge depth and 0200 cup depth mount them virtually anywhere! Black faceplates and bezels included.17 competitor wideband AFR controllers. Our official maperformance lanyard included as a special bonus! aems 30-0301 x-series 100 psi/7 bar digital oil/fuel pressure gauge combines incredible looks, and features a modern, easy-to-use features! The x-series wideband uego afr sensor controller gauge pn 30-0300 measures 2 1/16th-inch 52mm in diameter, increased readability and a multitude of new, visually striking faceplate and new seven-segment center display.
More information #ad
X-series wideband uego afr controller gauge were fastest responding wideband air/fuel ratio controllers in an independent test vs.Brand | AEM #ad |
Manufacturer | AEM #ad |
Weight | 3 Pounds |
Part Number | 30-0300+30-0301+MLANYARD |
More information #ad
9. AEM
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AEM X-Series 2 Gauge 52mm Set UEGO WideBand A/F Ratio w/OBDII + Boost Pressure 35psi
#adAEM #ad - User selectable standard or metric display -30in/hg~35psi / -1~2. 5bar. All gauges are brand new, complete in box. Obdii pass through provides afr readings through the factory ECU CAN-bus – Ideal for users with piggyback programmers or open source tuning software!52mm gauge diameter and slim 0825” gauge depth.More information #ad
Two popular aEM gauges in a convenient combo set.Brand | AEM #ad |
Manufacturer | AEM #ad |
Height | 5 Inches |
Length | 6 Inches |
Weight | 5 Pounds |
Width | 4 Inches |
Part Number | 30-0334 + 30-0306 |
More information #ad