Kyosho VZ438 1.7mm Clutch Spring - V ONE R4 Replacement  [KY-VZ438]

Kyosho VZ438 - Clutch Spring (1.7)
Price:
CAD$7.91
Brand:
Kyosho
Model:
KY-VZ438
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $7.09 each $1.64 or 10%
3+ $6.74 each $3.50 or 15%
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Fine-Tune Your V ONE R4 with Kyosho VZ438 1.7mm

The Kyosho VZ438 Clutch Spring is a 1.7mm spare designed for the V ONE R4 family. It helps refine clutch engagement and keeps throttle response more predictable, making it a handy part for race prep or routine maintenance. Built from robust materials, it stands up well to frequent use.

Performance Benefits

This spring delivers steady tension and a consistent release point to reduce slip and improve lap-to-lap repeatability. It works well for drivers who want a firmer, more controllable clutch feel without sacrificing longevity.

Fitting Advice

Fitting the Kyosho VZ438 is straightforward if the clutch assembly is clean and free of debris. Remove the old spring, check seating and alignment, then run a short test before full-speed use. Periodic inspection will reveal early signs of fatigue.
Remark :
Due to limited stock availability, please notice that some Kyosho 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.

Will the Kyosho VZ438 fit other Kyosho clutches?

The VZ438 is made for the V ONE R4 clutch setup. Some other Kyosho models may share similar dimensions, but you should verify spring diameter and seat fit before swapping.

How can I tell when the spring needs replacing?

Look for loss of tension, uneven engagement, or visible deformation. If clutch engagement becomes inconsistent, replace the spring to avoid drivetrain damage.

Is this spring suitable for both racing and casual use?

Yes. The VZ438 is robust enough for racing environments yet reliable for everyday bashing. Racing will increase wear, so inspect more often under competition use.

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