AEM offers one of the widest ranges of plug and play engine management solutions available on the market today.  Virtually every Japanese car is covered from Honda to Toyota, Civic to Supra.

Whilst AEM is a complex system by necessity, it is one of our preferred ecus, simply because it is widely available and well supported across so many platforms.

AEM’s Plug & Play Engine

AEM IconManagement System (EMS) will forever change the way you look at and perform fuel injection tuning! This user-programmable system plugs directly into a vehicle’s factory ECU harness and requires no additional wiring or hardware.* Windows™-based software (2000, NT, 98, 95, ME, XP) makes the task of copying, viewing and manipulating data as simple as a click of the mouse. User-defined templates are easily configurable and enable tuners to establish “quick keys” to any pertinent information during the tuning process.The AEM EMS’s infinitely adjustable software allows tuners to program virtually any combination of engine control, power adders and auxiliary devices, and accurately deliver proper amounts of fuel and correct ignition timing for ANY boost level or operating condition.

Uses all the Factory Sensors

Every EMS application has been specifically designed and tested to use the factory sensors that your car already has. There is no need mount different sensors or attempt to install different crankshaft or camshaft trigger wheels. Of course, you can replace any sensor you want. With the AEM EMS, it’s your choice

Fuel Table Automapping

With our new Fuel Automapping software, you can tune your engine in literally minutes! All you need is an accurate air fuel ratio input and then let the ECU do the rest. You have the ability to define the target A/F ratio at 357 different Load/RPM points as well as all the accuracy criteria. Automapping is included with every AEM EMS sold at no additional cost!

Programmable Traction Control

Finally a way to put that power to the ground. With our programmable traction control, you can get the 60 ft times you need. No individual wheelspeed sensors are required and you get to program the allowable acceleration rates based on RPM and Gear. This is included with every AEM EMS sold at no additional cost!

Onboard 512kb Datalogger

No more racing with your laptop in the passenger seat! With our 15 channel, high speed internal datalogger, you can finally get the data you need to take it to the next level. With access to over 400 internal operating parameters and featuring logging rates of up to 250 samples/sec per channel and “loop” logging, you’ll practically be buried in data! Additionally, the logger can be activated based on a cockpit switch, RPM, car speed, load or throttle thresholds. The supplied AEMLog professional data analysis package supports math channels, multiple file & channel overlays and histograms. Of course, if you want to race with your laptop duct taped to your roll bar, go right ahead because we also feature adjustable speed PC datalogging. Both loggers are included with every AEM EMS sold at no additional cost!

10 Cyl Sequential Fuel Injection

The AEM EMS features 10 sequential fuel injector drivers. Any injector can be configured to fire in any order at any time. Also, any injector can be configured to run as a fully sequential Staged injector of any size. No shortcuts here, the staged injectors are fully sequential and you can define exactly how much fuel they deliver via a 357 point Load/RPM table.

16 General Purpose Outputs

Tired of trying to decide if the ECU should control your Radiator Fan or your Fuel Pump? Well, there’s no way you could use all the outputs available on the EMS. With 16 dedicated GPO’s you can activate most anything. Both Low Side (switched ground) and Hi Side (Switched +12v) GPO’s are available. Each is activated based on user defined Load, Temp, TPS, RPM and Speed thresholds. Alternately, they can be activated by dedicated functions like “Fuel Pump”, Cooling Fan”, “Gear Dependant Shift Light”, AFR Warning light” and so on. Not enough for you? well every unused Fuel (10), Coil (5), Stepper (8) and PW (2) drivers are also available as additional GPO’s bringing the potential number of GPO’s to a staggering 41. Think about the possibilities.

7 Definable Switch Inputs

Want a 2 step launch control?, want to control your A/C?, want a dry nitrous setup? Want them all at the same time? Well then, what you need are switch inputs, lots of them. We have 7. That’s more than anyone else. It’s more than enough.

Electronic Boost Control

You don’t need to buy a piggyback boost controller ever again! The one that is included with the EMS at no cost is state of the art. It can drive the factory or aftermarket boost solenoids and can work with all boost levels. It can run in open loop (MBC mode) or full feedback with a 357 point boost target table. Not enough? how about a cockpit boost target override switch or having the boost target defined by vehicle speed? The EMS can do it all.

Soft Cut Rev Limiters

Utilizing user programmable stages, the EMS offers 5 distinct modes of rev limiter. With ignition retard, programmable partial cylinder cut of fuel and/or spark and full cut of fuel and/or spark, the combinations are limitless.

2 Step Launch Control

The EMS gives you the ability to define a secondary rev-limiter, commonly called a 2-Step limiter (Full Throttle, Clutch In, you use both feet, 2 step, get it?). With a user defined RPM value and Cut %, you have the ability to tune your launch to suit the track conditions. Additionally, with AEM’s definable switch inputs, you can use the 2-step without the requirement of wiring in a clutch switch.

Wet or Dry Nitrous Control

With the EMS, you have the ability to fully control your nitrous system, either wet or dry. The EMS features two 357 point fuel and spark maps exclusively for nitrous. This allows you to add any amount of fuel and retard the timing in any way you like. Add to this the ability to monitor your bottle pressure (with optional sensor) and activate your bottle heater and you have the ultimate nitrous computer. All this control is included with every AEM EMS sold at no additional cost!

Definable Knock Control

There’s a reason why all new cars come with knock sensors and there is no reason not to use them. With the EMS, you can. User programmable knock thresholds and full control on the quantity of fuel to add and/or timing to retard, the EMS allows you unmatched ability to use these sensors to their full potential.

Eurospec can supply and fit the complete line of AEM EMS products.  ECU’s start at £1092 + vat and are available with the required sensors, fitted and mapped from £1895 + vat.

Series 2 Plug & Play Engine Management System

A complete engine control system that plugs into the factory harness and uses the factory sensors. AEM’s Series 2 Programmable Engine Management System (EMS) is more powerful than its predecessor.

  • Plugs directly into the factory harness. No rewiring necessary.
  • Maps can be password protected by the tuner to prevent unauthorized usage or sharing.
  • Tune using new USB communication port or serial port.
  • New smaller enclosure for reduced physical size.
  • 1MB of internal data logging.
  • 12 peak and hold injector drivers (Supra only).
  • 6 coil outputs.
  • Includes start up calibrations.
  • Works with all AEM gauges.

Plug & Play Engine Management Systems (EMS)

A complete engine control system that plugs into the factory harness and uses the factory sensors.

  • Installs in minutes using Plug & Play technology—no wiring necessary!
  • Start-up calibrations included
  • Live help window eases tuning process
  • Set-up Wizard creates a custom base

Universal Engine Management System (EMS)

A complete engine control system that plugs into the factory harness and uses the factory sensors. Get any vehicle Race Ready with our Universal EMS.

  • System is fully enabled—Never pay for upgrades!
  • Runs on Windows™ compatible software
  • Live help window eases tuning process
  • Free software updates on

Fuel / Ignition Controller (F/IC)

PC-programmable piggy-back controller that allows users to retard timing and add fuel to virtually any engine, even on variable cam timing engines (VTEC, iVTEC, VVTi, MiVEC, etc.)..

  • Works with latest OBD-II race vehicles including a High-Side output based on Engine RPM.
  • Six (4-to-8) injector inputs with simulated injector load used when remapping OEM injectors Analog in / out for remapping / clamping MAF

Plug & Play piggyback Fuel and Ignition Controller (F/IC)

This kit combines the power and drivability of the F/IC with a plug and play harness, start up calibration, and “quick start guide” for fast, easy installation and simplified tuning.

  • Plugs directly into the factory harness. No rewiring necessary.
  • Includes start up calibrations.
  • Enables MAF-clamping/ recalibration.
  • Runs in conjunction with factory ECU. CAN-BUS not affected.
  • Among the only piggyback systems which can decrease pulse-width, allowing larger aftermarket injectors while maintaining proper air/fuel ratios.
  • 64kb of internal data logging.

ECU Patch/Extension Harnesses

AEM’s Universal ECU Patch/Extension Harnesses work with most engine management systems and allow you to install turbo timers, data loggers and other ancillary electronics without having to cut and splice into your factory wiring harness.

  • Never cut/splice the factory wiring harness again!
  • Constructed with original ECU and harness connectors for exact fitment
  • Allows for easy access to all ECU signals/wires

Engine Position Module (EPM)

Convert your distributed ignition to coil-on-plug for more power!

  • Bolt-on Systems available for most popular V8 engines and Honda B-, D-, H-, and F-series engines
  • Very simple four-wire connection for easy installation (12V, ground, crank signal, and cam signal)

Peak & Hold Injector Driver Module

Eliminates low-response, high-impedance “saturated” injectors for high volume fuel delivery!

  • For high-output engines that have exceeded the capacity of high-impedance injectors
  • Includes 10 independent injector drive channels for any engine up to V10
  • Complete wiring system included
  • Operating Voltage: 8-18 volts, negative ground

4-Channel K-Type Thermocouple Amplifier

Laboratory-grade accuracy eliminates inaccurate temperature sensor readings!

  • Uses common miniature thermocouple connectors or ANY K-Type thermocouple
  • On-board cold junction temperature compensation for laboratory-grade accuracy
  • Includes FOUR (4) 0-5v analog outputs
  • 0-1,000? C(32-1,832? F) measurement range

Universal EMS Wiring Harnesses

Comprehensive systems for complete wiring or adapting to existing harnesses.

  • Color coded harness has bundle identifiers and includes silk-screened functions on wire body for easy identification
  • Includes integrated fuse box with relays for fans, pumps, auxiliary power and more
  • Bolt-in plug mates to AEM Universal EMS and eliminates any chance of separation

CDI Pencil Coil

AEM’s new CDI Pencil Coils are now available! Easily allowing the conversion to coil-on-plug ignition systems, these Pencil Coils will work with aftermarket engine-management systems. Additionally, when Pencil Coils are used in high-boost, high-RPM, or high-compression racing applications, an increase in spark energy can be seen over factory smart coils.

  • Compatible with all standard automotive spark plugs including threaded tip style
  • Kit includes pencil coil, connector, connector pins, pin lock and weather seals
  • Available in two different lengths for optimum plug reach
  • Two-wire CDI compatible coil

Twin-Fire Ignition Modules

Our Twin-Fire Ignition is the lightest, smallest, most cost-effective ignition on the market!

  • Works with coil-on plug and distributed spark systems
  • Exclusive Twin-Fire technology uses independently-firing twin capacitors to store energy independently for two distinct spark events
  • Twin-Cap spark events are at full energy and can be simultaneous
  • 540v primary/54,000v secondary voltage energy

Sensors and Connectors

When you need to upgrade them, we have them in stock!

  • High-quality sealed sensor housings
  • Mating connector and 12” leads included (sensors)
  • Accurate and affordable!