Yokomo RP-102A Titanium Φ4.8 Kingpin Ball - BD9 Handling Part  [RP-102A]

Yokomo RP-102A High precision titanium ?4.8 King pin ball
Price:
NZD$15.29
Brand:
Yokomo
Model:
RP-102A
GTIN:
0639342209255
Condition:
Brand New
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Trim Rotating Mass with a Titanium Kingpin Ball

The Yokomo RP-102A Titanium Φ4.8 Kingpin Ball is crafted to refine the BD9 front end. Constructed from lightweight titanium, it reduces the weight carried by the upper suspension and unsprung components, helping the car change direction sooner and maintain momentum through a sequence of corners.

Why Pick Titanium for Steering Components

Titanium provides a favourable mix of lightness and strength, ideal where reduced mass matters. Fitting the Yokomo RP-102A helps lower inertia at the pivot points, which can translate to more immediate steering feedback without compromising longevity.

Designed for a Clean BD9 Fit

These kingpin balls match the BD9 mounting profile for hassle-free installation. The reduced mass helps keep the chassis balanced front to rear, aiding stability and corner speed on tight, technical layouts.
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.

Will this part suit racing at local tracks?

Yes, the RP-102A targets reduced rotating mass which helps lap consistency and steering precision, both useful for club and regional events. Check class rules if part restrictions apply.

How should I maintain the titanium ball?

Clean periodically and inspect for wear. A light application of a compatible lubricant on moving contact points keeps operation smooth and prevents creaks.

Are there setup changes after fitting this part?

You may notice quicker initial steering; small trim adjustments to toe or ackermann can optimise handling balance after installation.

Is additional hardware required to fit it?

The RP-102A is designed to replace the stock kingpin ball without extra brackets, but verify thread and seat dimensions before final assembly.

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