Ecumaster Lotus K4 Plug in ECU k20 Picture for reference only

Picture for reference only

These rotor rings (friction rings) are direct fit for the original equipped aluminium hats on M4 GT4

there was still an issue with the placement of the ECU

Designed and manufactured in the UK for very strict tolerances and consistency

They never start from the factory with tight tolerances but over time the ball joint at the lever end as well as the fitting at the gearbox end of the cable either wear out or elongate

Ecumaster Lotus K4 Plug in ECU k20 Picture for reference onlyThis plug in solution for the Lotus S2 K4 Rover engine offers a reliable replacement for the often failing OEM ECU, which is currently unavailable from Lotus. Built on our trusted Ecumaster Black platform, it provides precise engine control and includes wideband lambda control for optimal performance. Explicitly designed for track oriented vehicles, it also allows for the integration of additional sensors and can be connected to modern data systems or