AEM

no calibration required when used with 30-0300 X-Series Wideband Gauge

Bosch LSU 4.2 Wideband UEGO Installation Kit, Includes: Bosch LSU 4.2 Wideband UEGO Sensor, Weld-On Bung, Connector, Wire-Seals and PinsWarranty

The AEM TCM (Throttle Control Module) instantly puts YOU in CONTROL. Get rid of laggy acceleration and dead pedal with an AEM TCM. Wirelessly progr...

The AEM TCM (Throttle Control Module) instantly puts YOU in CONTROL. Get rid of laggy acceleration and dead pedal with an AEM TCM. Wirelessly progr...

No welding equipment? No problem with AEM's No-Weld O2 Sensor Mounts. These mounts have an integrated bung that makes it easy to install a wideband...

AEM's 400LPH high flow fuel pumps were designed with high performance naturally aspirated and forced induction EFI vehicles in mind! They deliver t...

AEM's 400LPH high flow fuel pumps were designed with high performance naturally aspirated and forced induction EFI vehicles in mind! They deliver t...

AEM's digital oil pressure gauges include a 0-5v analog output for use with data loggers and virtually any engine management system, such as the In...

This kit includes two waterproof buttons with flying leads that allow you to change pages on CD Flat Panel dashes and add steering wheel buttons to...

Water/methanol injection for forced induction (turbocharged or supercharged) gas-powered race engines is a proven means for effectively reducing en...

Boost Dependent and Multi-Input (0-5v/frequency) progressive controller designs feature large adjustment knobs, integrated plug for harness connect...

No welding equipment? No problem with AEM's No-Weld O2 Sensor Mounts. These mounts have an integrated bung that makes it easy to install a wideband...

Both 30 and 20 amp relay fuel pump wiring kits and harnesses have auto-reset style integrated circuit boards that help ensure any electrical shorts...

AEM Tru-Time Adjustable Camshaft Gears increase horsepower and torque without having to change the camshaft(s) and are must-have items for engines ...

AEM Tru-Time Adjustable Camshaft Gears increase horsepower and torque without having to change the camshaft(s) and are must-have items for engines ...

AEM Tru-Time Adjustable Camshaft Gears increase horsepower and torque without having to change the camshaft(s) and are must-have items for engines ...

AEM's Honda/Acura Adjustable Fuel Pressure Regulators are capable of supporting enough fuel flow for engines up to 1000 horsepower. Our patented in...

AEM's stainless-steel tall wideband UEGO sensor bungs are designed specifically for use on forced induction applications using the 4-Channel Wideba...

It is imperative to ensure that the polarity of the electrical plug in your tank is correct for your pump if you choose to use it. If it is not cor...

AEM's High Volume Fuel Filter is capable of supporting fuel flow for vehicles up to 500 horsepower. Double O-ring seals deliver superior leak prote...

AEM offers performance automotive accessories to upgrade your existing water/methanol injection (WMI) system including inline water/methanol fluid ...

Replacement V3 Water/Methanol Injectors (Qty 2), Includes Interchangeable Swirl Generators for 250cc, 500cc, & 1000cc of flow for each injector...

Datalog using AEMnet CAN bus-Outputting channels over AEMnet provides so much more than just boost pressure! Send 13 channels of data over a 2-wire...

AEM High Volume fuel rails feature a 1/2-inch fuel bore to support fuel flow for applications up to 1,000 horsepower. This large bore also dampens ...

AEM High Volume fuel rails feature a 1/2-inch fuel bore to support fuel flow for applications up to 1,000 horsepower. This large bore also dampens ...

It is imperative to ensure that the polarity of the electrical plug in your tank is correct for your pump if you choose to use it. If it is not cor...

It is imperative to ensure that the polarity of the electrical plug in your tank is correct for your pump if you choose to use it. If it is not cor...

Although AEM's High Flow Fuel Pumps are the same physical size as many OEM fuel pumps, they may not be appropriate for a specific application. You ...

AEM's 400LPH AN Fittings High Flow, High-Pressure Inline Fuel Pump is designed for high performance naturally aspirated and forced induction EFI ve...

Although AEM's High Flow Fuel Pumps are the same physical size as many OEM fuel pumps, they may not be appropriate for a specific application. You ...

CD-7 Carbon Digital Dash Displays feature a full-color, daylight readable screen surrounded by a tough, lightweight flow-molded carbon fiber compos...

CD-7 Carbon Digital Dash Displays feature a full-color, daylight readable screen surrounded by a tough, lightweight flow-molded carbon fiber compos...

CD-7 Carbon Digital Dash Displays feature a full-color, daylight readable screen surrounded by a tough, lightweight flow-molded carbon fiber compos...

CD-5 Carbon Digital Dash Displays feature a full-color, daylight readable screen surrounded by a tough, lightweight flow-molded carbon fiber compos...

CD-5 Carbon Digital Dash Displays feature a full-color, daylight readable screen surrounded by a tough, lightweight flow-molded carbon fiber compos...

Digital Boost Gauge, -30 - 50psi, incl blk and wht faces, blk and silvr bezelsWarrantyInstallation Instructions

AEM's digital boost gauges include a 0-5v analog output for use with data loggers and virtually any engine management system, such as the Infinity ...

AEM's digital temperature gauge includes a 0-5v analog output for use with data loggers and virtually any engine management system, such as the Inf...

AEM's digital oil pressure gauges include a 0-5v analog output for use with data loggers and virtually any engine management system, such as the In...

The AEM Digital Voltmeter Gauge combines unsurpassed accuracy, speed and control with an easy-to-read digital LED interface that displays voltage i...

Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while runnin...

AEM's legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed a...

Replacement Power Harness for 30-0300 X-Series Wideband Gauge