Kyosho IFW639-58S 58 Tooth 0.8 Module Spur for Inferno MP10  [KY-IFW639-58S]

Kyosho IFW639-58S - Light Weight Spur Gear(0.8M/58T/MP10/w/IF403C)
Price:
NZD$60.30
Brand:
Kyosho
Model:
KY-IFW639-58S
GTIN:
4548565452804
Condition:
Brand New
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Track-Focused Spur Gear for MP10

The Kyosho IFW639-58S lightweight 58-tooth spur has been produced for the Inferno MP10 family. Its 0.8 module offers a tighter tooth spacing than 1.0M, which helps smooth out power transitions and reduces drivetrain shock.

Dial In Ratios with Better Tooth Engagement

Use this spur to fine tune top speed and acceleration balance for different circuits. The improved tooth geometry keeps engagement predictable and reduces the chance of skips under load.

Installation Requirements

This spur must be used with matching 0.8M clutch bells sold separately: No.97058LW-16 (0.8M/16T) or No.97058LW-17 (0.8M/17T). These parts ensure correct mesh and optimal operation.
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 fit a factory MP10 transmission?

In most cases yes, but check that the chassis and gearbox clearances permit the 58T spur and that pinion alignment is within spec.

Can I mix 0.8M and 1.0M gears?

No, mixing modules is not recommended. Use gears and clutch bells that are all 0.8M to avoid poor mesh and premature wear.

How does the lighter construction affect handling?

Reduced rotating mass can make throttle response feel sharper while maintaining strength, but inspect teeth regularly as part of race maintenance.

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