These aluminum rear suspension arms are a direct-fit RC-scale replacement intended for Tamiya TA07 and TB04 Pro II touring car chassis. Machined aluminium provides a stiffer mounting point compared to many stock plastic arms, and the black finish identifies the part visually without implying additional surface treatments.
In layout and function the arms serve as the connection between the rear uprights and the bulkhead, affecting rear roll centre and toe characteristics. When replacing stock parts, check hinge-pin alignment and ball stud positions after installation to retain intended geometry. Small adjustments to rear toe and camber can be used to rebalance handling once fitted.
Installation follows standard touring-car procedures: remove the rear uprights, swap the old arms for these aluminium units, and verify pin retention clips or set screws are secure. Because aluminium changes stiffness compared with plastic arms, recheck shock preload and damper settings during a test session to confirm predictable behaviour.
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