This 1/10 formula graphite front upper arm is intended as the left or right upper suspension arm on YR-10F compatible chassis. The single-piece form matches the usual front suspension mounting points and preserves steering geometry when replacing worn plastic arms.
Mounting uses the standard hinge pin plus ball-end arrangement common to YR-10F layouts, so original hardware and mounting bushings are normally reusable. No specialty tools are required beyond standard suspension servicing gear, and the arm installs without altering linkage geometry.
From a tuning angle, replacing a softer arm with graphite reduces local flex and can produce a more immediate steering response and steadier camber during dynamic weight transfer. Use it as a direct swap to evaluate front-end stiffness and handling changes.
This listing includes 1 pcs, common for left and right sides, single replacement arm supplied.
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