Mini-Z MR-03 Tuning Spring Pack 5.2mm (0.3/0.4/0.5mm) MZA0345SP by GPM  [MZA0345SP]

Kyosho Mini-Z AWD Front/Rear (0.3mm,0.4mm,0.5mm) Coil Spring 5.2 Mm LenGTh - 3prs set - GPM MZA0345SP
Price:
AUD$1.83
Brand:
GPM
Model:
MZA0345SP
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alt="Kyosho Mini-Z AWD Front/Rear (0.3mm,0.4mm,0.5mm) Coil Spring 5.2 Mm LenGTh - 3prs set - GPM MZA0345SP" title="Kyosho Mini-Z AWD Front/Rear (0.3mm,0.4mm,0.5mm) Coil Spring 5.2 Mm LenGTh - 3prs set - GPM MZA0345SP"

Spring pack for MR-03 setup work

This spring pack fits Kyosho Mini-Z AWD MR-03 shock fittings and is identified by part number MZA0345SP. It contains pairs in 0.3mm, 0.4mm and 0.5mm wire diameters with a uniform 5.2mm free length so you can compare rate changes quickly on the bench or track.

Use smaller diameter springs to soften the suspension and larger diameters to stiffen it while maintaining ride height. Check spring seating and preload on the shock retainer and match left and right springs to keep handling consistent across the axle.

For setup efficiency try one corner or axle at a time, note lap times and driver feedback, and combine diameters to dial in desired cornering balance. These components are intended for model-scale suspension tuning only.

How many pairs are in the kit?

The kit supplies three pairs of springs: one pair each of 0.3mm, 0.4mm and 0.5mm wire diameter, all at 5.2mm free length.

Any fitment pointers for MR-03 shocks?

Ensure the spring sits flush on the shock retainer, control preload, and verify that the top cap secures without binding.

Should I mix diameters front and rear?

Yes, mixing diameters between front and rear is a common way to tune understeer or oversteer response. Test gradually.

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