Engine Management and Electrical

• ECUs: plug-in engine management, such as the Syvecs S7Plus for the Porsche 996 and 997.
• Tuning Devices: COBB Accessport V3 and Hondata FlashPro handhelds for flashing and monitoring factory ECUs.
• Digital Dashes: digital displays for data logging and live engine readouts.
• Sensors: pressure sensors and CAN-based fuel pressure and flex fuel kits, including AEM and COBB.
• Gauges: fuel pressure gauges, fuel pressure test kits and 52mm fuel level gauges from Radium Engineering.
• Spark Plugs: NGK Iridium, Laser Iridium and Double Platinum plugs, plus HKS Super Fire Racing plugs, in a range of heat ranges.
• Ignition Coils: genuine Subaru and Toyota coils and Okada Projects Plasma Direct coils.
• Electrical Accessories: battery isolators, injector connector adapters, fuel pump harnesses, terminal boots, horns and warning cancellers.
• EV Components: parts for electric vehicle builds.

Browse every manufacturer we stock on our brands page.

Most parts in this collection are listed by engine, chassis code and model year. Check these against your vehicle before ordering.

• Chassis and engine codes: for example, Subaru WRX VB (2022+), WRX/STI with EJ20 or EJ25 engines, and WRX, Forester and Levorg (VA/SJ/VM) with the FA20. Others include Honda Civic Type R FK8 and FL5 (K20C1), Toyota GR Yaris (GXPA16), GR Corolla (GZEA14) and GR Supra (A90), Mitsubishi Lancer Evo 8 (CT9A) and Evo 9, and Ford Focus RS LZ.
• Gearbox: some tuning devices are specific to the gearbox, such as the COBB Accessport V3 for the WRX VB in MT or CVT form. Check the listing title for manual or CVT fitment.
• Spark plug heat range: plugs are listed by heat range, such as #7, #8 or #9. Choose the heat range that suits your engine and tune.
• Thread, fitting and connector types: universal sensors and gauges are listed with their fitting, such as 1/8" NPT, 3AN or 6AN. Injector adapters are listed by connector type, such as Bosch EV1 or Denso.
• Electrical ratings: fuel level gauges are listed with their sender range, such as 0–90 ohm. Gauges are listed with their reading range, such as 0–100 psi (0–6.9 bar).

Installation by a professional is recommended, especially for ECUs, tuning devices, flex fuel kits and wiring work. Any changes to engine calibration should be made by a qualified tuner. Check each product listing for kit contents and any parts needed for your vehicle, such as matching connectors, adapters or fittings.

Which spark plug heat range should I choose?
Each listing states its heat range, for example #7, #8 or #9. Match the heat range to your engine and tune. If you're unsure, contact our team.

How do I know if a COBB Accessport suits my car?
Each Accessport V3 is listed by make, model, chassis or model years and, where relevant, gearbox. Check that every detail matches your vehicle before ordering.

Do you stock plug-in ECUs?
Yes. The range includes plug-in options such as the Syvecs S7Plus for the Porsche 996 and 997. Browse the ECUs collection for current options.

Are there universal parts in this collection?
Yes. Radium Engineering fuel pressure gauges, test kits, injector connector adapters and fuel pump harnesses are universal. They are listed with their fitting or connector type.