This Kyosho IF421-01 front hub carrier bush set is a direct replacement part intended for use on the MP9 chassis. It replaces worn bushings in the front hub carrier to restore the designed clearance and movement between the hub carrier and steering linkages without altering chassis geometry.
Compatibility: intended for MP9 series hub carriers. The kit replaces the bushings that locate the hub carrier on the front suspension carriers and is commonly used during scheduled maintenance or when correcting play in the front end.
Installation notes: removing the front hub carrier from the suspension arm is normally required to reach the bushings; basic tools such as hex drivers and pliers are typically sufficient. Preserve any original shims or washers and verify alignment after reassembly; confirm free hub rotation and consistent steering movement before running the car.
Tuning role: replacing worn bushings reduces play and restores steering feedback for improved repeatability. This part maintains handling consistency rather than serving as a setup change to alter suspension geometry.
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