The Kyosho IF489 Steering Rod Set supplies two 4x50mm rods as a straightforward maintenance or upgrade item for the Inferno MP9 TKI4. These rods are cut to match the MP9 TKI4 steering layout for a direct swap that preserves factory geometry.
The 4x50mm dimensions give the steering link the stiffness required for accurate inputs while still allowing small compliance for predictable handling across varied surfaces. They are intended to replicate the original steering geometry for consistent control.
Swap the rods with the car safely supported, check that all joints are seated and that threads engage fully. After refit, confirm steering travel and centre before taking the car back out to run.
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