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Barra Enthusiasts | OS Auto | Performance Block

Purchase together and save! this bundle includes the popular digital 30-4110 AFR Wideband, 30-4401 Oil Pressure and 33-4406 boost gauges.


Purchase together and save! this bundle includes the popular digital 30-4110 AFR Wideband, 30-4401 Oil Pressure and 33-4406 boost gauges.


The Wideband O2 air/fuel ratio UEGO gauge is a must if you want to maximize your engine's power and safety. When tuning an engine, accurate air/fuel ratio data is critical because running with too rich of an AFR can cause a loss of power, and running a lean AFR can result in serious engine damage. AEM's digital Wideband AFR UEGO gauge can quickly alert you to even a .1 change in air/fuel ratio and provide enough time to shut down an engine before damage occurs.

  • Interchangeable black and white faceplates included for customizing gauge appearance (digital gauges only)

  • Bosch 4.9 LSU wideband sensor and weld-in bung included (PN 30-4110)

  • No free air sensor calibration required - ever

  • Interchangeable black and silver bezels included

  • Interchangeable black and white faceplates included

  • 52mm (2-1/16”) gauge housing

  • 0-5v analog output (10-20 AFR range only)


The AEM 100PSI Oil/Fuel Pressure Gauge has a bright LED display that shows oil/fuel pressure in 1 PSI increments, and a sweeping LED "needle" that lines the edge as oil/fuel pressure changes from 0 to 100. One of the most vital things to know about your engine is it's oil pressure - and now you'll be able to see and log to the exact PSI. Each gauge includes interchangable silver and black bezels and black and white faceplates to personalize the look of your gauge - it's like having 4 gauges in 1!

  • Gauge pressure range 0-100psi

  • Includes easy-to-install harness and sensor

  • Complete stand alone gauge requires no additional sensors or programs to operate

  • Ideal for both fuel injected and carbureted motors

  • LED displays provide precise reference to critical operating conditions and alert driver of potentially damaging operating conditions

  • Includes 0-5V analog output for routing to engine management system or data logger

  • Easy to read faceplates/displays are designed to complement existing AEM gauge styles

  • Included bezels and face plates allow you to personalize the look of your gauge


The AEM 35PSI Boost Gauge gives an easy to read numerical digital readout that increments every 1 PSI to anyone wanting to know exactly how much boost they are running. All AEM digital gauges have the digital readout in the center, and sweeping LED needle that lines the edge of the gauge that changes colors as boost changes. The digital readout will automatically increase and decrease in intensity due to the built in ambient light sensing photocell. A 50 PSIa brass sensor gives the gauge its accuracy. Each gauge comes with interchangeable black & silver bezels and black and white gauge faceplates for multiple color combinations.

  • Gauge Readout from -30 to 35PSI

  • Includes black and silver interchangeable bezels and white and black faceplates

  • Boost gauge includes AEM 50PSIa brass sensor

  • 0-5v analog output included for use with data loggers and virtually any engine management system

  • Size: 52.4mm diameter

  • Face Colour: Black/White

  • Bezel Finish: Black/Silver


  • 30-4110 Gauge Kit

  • 30-4401 Gauge Kit

  • 30-4406 Gauge Kit

See the vehicle fitment details below:

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Most orders are dispatched before their estimated dispatch date displayed above. However on some occasions, delays may happen. If this happens, we will notify you straight away.

Some products may be shipped via our distributors within Australia, meaning that once the order is placed we forward the order directly to our distributor. Our distributor then ships the part directly to you.

We can not guarantee the stock count from initial order placed, however can provide a stock amount prior to an order placed. Please note, stock availability is subject to change.

Orders may be dispatched in Partial Shipments. Multiple parts in one order may be shipped from different suppliers within Australia.
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