If you run a Mini-Z MR-03 and want crisper steering response, the Kyosho MZ404 Servo Gear Set offers a dependable replacement that helps maintain on-track control.
The Kyosho MZ404 set is manufactured to tight tolerances to keep gear engagement steady. The construction reduces irregular wear and supports consistent steering feedback during repeated runs.
Compatibility is checked against MR-03 dimensions so the MZ404 installs cleanly without altering the car's setup. That means you can upgrade with confidence and retain the chassis geometry you prefer.
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