Mazda MX-5 MK1/MK2 NA Electronic Fuel Injection (EFI) Throttle Bodies (ITB's) & ME221 ECU Base Map Package


These Webber (DCOE) bolt pattern set of Shaftless Butterfly Twin Housing Throttle Bodies (ITB's) are supplied as an assembly with a port matched fabricated aluminium inlet manifold to suit the Original Equipment Manufacturer (OEM) intake ports for the Mazda MX-5 MK1/MK2 naturally aspirated Engines.

AT Power’s lightweight precision machined billet aluminium twin (DCOE) round housings design with our unique patented ‘Shaftless’ technology and knife edged butterfly valves (Blades) providing proven improved induction airflow speeds and increased engine performance.

Our Throttle Bodies are supplied fully assembled ready to bolt on directly to the cylinder head intake face.

This product includes billet machined Throttle linkage, Aluminium Extension Tubes (Runners, Velocity Stacks), billet aluminium Ram Pipes (Trumpets) and a one-piece billet aluminium Fuel Rail with optional brackets to suit a range of fuel injectors.

We also offer a choice of 18 different anodising colours. Anodising-Colour-Swatch


This package includes:

AT Power's 45mm Webber (DCOE) Twin Throttle Bodies (ITB's) and aluminium inlet manifold, with Motorsport Electronics ME221 Engine Management system and base-map package with freely available tuning software. Supplied as a plug in to the factory ECU case and connects to the existing wiring harness adaptor for the MX5.

To complete your installation, we also offer ancillary supporting parts including rotary contact or Hall Effect contactless Throttle Positional Sensors (TPS), fuel injectors, air filtration, motorsport cables, tuning aids and fuel pressure regulator.

Also available from Motororsport Electronic are Racing-Lines 265LP in-tank fuel pump, intake air temperature sensor and both the RS232 & USB Tuning cables to interface with the ME221 ECU.

You can also upgrade this to the ME442 ECU which offers the following advantages over the ME221 ECU, just contact us for a bundle quote:

  • On-board Bosch wideband lambda O2 controller (Sensor kit included as part of the upgrade).
  • On-board real-timeclock and SD card data logging.
  • Drive-by-wire support.
  • K-type EGT input.
  • Accelerometer and Gyroscope.



As with all after-market engine management systems, basemaps are offered ‘as-is’, and dyno tuning is recommended to avoid damaging your engine. Motorsport Electronics have full engine dyno and rolling road facilities on site as well as an ever growing list of tuners across the UK, Europe and Worldwide – see Motorsport Electronics Tuning Partners for your nearest approved agent.


How to Order:

This Product is directly available through our UK engine management partners Motorsport Electronics. To find out more about this product and ordering online please follow this link to their website. 

If you require assistance, please call Motorsport Electronics directly on +44 (0)1373 710 610 OR e-mail the team


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