The XRAY 372021 Composite Front Upper Arm Mount - Left is built for the X10 and X12 series to increase stability when grip is high or temperatures rise. The newly developed hard composite material helps keep suspension geometry firm so handling stays predictable during intense track sessions.
This left-side mount is stamped with "L" and "H" for quick orientation and correct fitment. The hard composite raises rigidity for a more consistent feel; fit the matching right upper arm mount (372011) to complete the setup.
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