This is a 1/10-scale front upper arm support post for the Yokomo YR-10F formula chassis, intended for fitting on the right-hand side. It functions as the mounting point for the upper arm and works with the chassis linkages to set front suspension geometry.
It installs at the standard YR-10F mounting positions and can be used in place of the stock post. The fitted post alters arm pivot height and relative arm location, adjustments typically used to modify camber response, roll centre height, and initial steering feel.
Use common hex drivers and a small spanner to secure the post; after installation check alignment, fastener tightness, arm free-play, and suspension droop to ensure predictable handling.
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