Yokomo Z4-303TA Top Shaft for YZ-4 Hard Anodized Aluminum Top Link Shaft  [Z4-303TA]

Yokomo Z4-303TA Top Shaft (Hard Anodized) for YZ-4
Price:
CAD$6.18
Brand:
Yokomo
Model:
Z4-303TA
GTIN:
3888
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Or you may find similar product under the
Spares / Hop-ups - Yokomo - YZ-4 category
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Yokomo YZ-4 Top Shaft Overview

This is a scale RC top shaft intended for the YZ-4 4WD off-road chassis. The part functions as the upper suspension link spindle, positioned to anchor the top of the suspension arm and transmit alignment changes through the top link assembly.

Material processing is hard anodized aluminum to resist wear from link movement and to provide a stable mounting surface for bearings or link hardware. The design focus is on consistent linkage behavior and predictable tuning response rather than cosmetic features.

Installation notes: replace the existing top shaft with care to preserve thread engagement and bearing seating; verify fit to the YZ-4 chassis points and confirm clearance with adjacent components before final fastening. Use standard RC maintenance practice when removing or refitting the part.

Compatibility

  • YZ-4
  • B-YZ4
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

What is the recommended method to swap this top shaft?

Start by supporting the suspension to unload the link hardware, then remove the fasteners keeping the old shaft. Fit the Z4-303TA, check bearing seating and thread engagement, then torque fasteners to the chassis maker's guidelines.

Will the hard anodized finish reduce wear from the link pins?

The hard anodized surface increases abrasion resistance where the link and bearings contact the shaft, helping reduce surface wear over time compared with untreated aluminum.

Do I need special bearings or spacers when fitting this shaft?

Most standard YZ-4 link bearings and spacers will fit; confirm axial and radial clearance during trial assembly and replace any worn seals or spacers for optimal alignment.

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