This 64 titanium king pin is supplied for use with Tamiya M03, M03L, M04M and FF02 on-road chassis. It replaces the stock steering pivot with a harder wearing component intended to keep steering geometry stable during frequent running and tuning.
The king pin secures the front upright and interfaces with the suspension layout. When installing, check upright and stub axle play, reinstall washers and bearings as originally arranged, and confirm smooth steering through full lock. Use the chassis fasteners that come with the model unless you have a specific reason to change them.
As an upgrade, the titanium pin delivers maintenance and longevity benefits rather than radical handling changes. It reduces wear-induced free play, helping your steering adjustments to stay consistent when you set toe, caster or steering ratio on M03/M03L/M04M/FF02 platforms.
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