This aluminum collar is intended for the upper arm support on the YR-10F chassis and functions as a dedicated camber shimming component for 1/10 scale touring car configurations.
Placed around the arm pivot it offers selectable 1.0 or 2.5 degree camber depending on how it is mounted, which stabilises the upper arm location and increases rigidity locally without changing other suspension elements.
The feature set focuses on improving repeatable arm positioning after maintenance and allowing quick camber adjustments during setup work to refine cornering balance.
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