The Kyosho MZ407B Suspension Shaft Set offers a targeted upgrade for MR-03 Mini-Z cars, helping to deliver cleaner steering input and steadier behaviour on technical layouts. It is aimed at drivers who want predictable responses from their chassis.
These shafts are engineered to match the MR-03 chassis geometry and reduce unwanted movement under load. The result is improved control when changing direction or carrying speed through bends.
Compatibility is straightforward: the MZ407B set is specified for MR-03 series models so installation is usually direct, avoiding the need for custom modification or adaptors.
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