FAZER D2 Spool Cup (Steel) FA631 Compatible with FAZER D2 by Kyosho  [KY-FA631]

Kyosho FA631 - Steel Spool Cup (FZD2)
Price:
AUD$12.65
Brand:
Kyosho
Model:
KY-FA631
GTIN:
4548565522873
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $10.88 each $3.55 or 14%
3+ $10.33 each $6.96 or 18%
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Steel Cup for FAZER D2 Spool Assembly

This steel spool cup is engineered for use with the FAZER D2 chassis kit and serves as a direct replacement for the spool assembly. The FZD2 designation denotes its matching position within the FAZER D2 drivetrain layout.

Steel material and precise part geometry give a robust contact surface where the spool interfaces with bearings and diff components. Regular maintenance checks will often include this cup as a wear item, replacing it when fit or surface finish deteriorates.

For installation, remove the spool or diff unit, inspect bearings and seals, install the new cup ensuring spacers and fasteners keep their original order, and check for smooth rotation before finalising reassembly. Basic hex drivers and common workshop items are normally sufficient.

While not a tuning kit by itself, a correctly fitting spool cup supports repeatable spool engagement, which can influence drift feel and consistency. Builders typically assess bearing seating and mating surfaces when refining toe, corner weights, and throttle response for drifting.
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 this affect my drift setup performance?

A precise, low-play cup helps maintain predictable spool engagement, which contributes to stable drift behaviour; major changes come from diff and suspension tuning rather than the cup alone.

Can I tune handling by changing the cup material?

Material swaps have limited tuning effect; consistent fit and minimal slop are more important for predictable spool action than the cup metal itself.

Any setup checks after replacing the cup?

After reassembly, verify spool rotation, recheck toe and corner balance, and run a short test to confirm drift characteristics remain consistent.

Is this suitable for aggressive drift tuning?

As a replacement part it provides durable mating surfaces; aggressive tuning normally relies on diff internals and suspension adjustments rather than this cup alone.

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