The Kyosho MZ601 Main Unit Set is a compact replacement designed to sharpen the handling and responsiveness of your Mini-Z MR-03EVO chassis. It helps maintain consistent control and is a sensible upgrade for racers and weekend drivers alike.
This main unit set fits MR-03EVO and SA-40 models and integrates cleanly with the stock layout. Whether trimming steering feel for lap consistency or balancing corner entry, the MZ601 supports a neater setup and predictable handling.
Fitting the Kyosho MZ601 is straightforward for hobbyists familiar with Mini-Z gear. Check connector seating and screw torque during installation, and inspect wiring and mounts regularly to prevent issues on track.
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