The Arrowmax AM-RX8-342030 upper arm holders are a matched left and right pair machined from 7075 T6 aluminium for the XRAY RX8 chassis. These components increase stiffness around the upper arm mount points while keeping added mass to a minimum, which helps reduce unwanted compliance in the linkage area.
These holders are suited to setups that demand repeatable geometry and quicker response to tuning. They mount to the RX8 upper arm positions and create a solid interface with the shock tower or upright so changes to springs, dampers or roll centre settings show up more directly in handling.
Installation notes: intended for RX8 mounting pattern. Confirm alignment at installation and use the manufacturer's recommended torque values when fastening to avoid thread or part damage.
For XRAY RX8 owners wanting firmer upper arm mounts, these machined 7075 aluminium holders are a direct upgrade to reduce flex and sharpen suspension feedback.
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