These aluminum rear suspension arms are a direct-fit RC-scale replacement intended for Tamiya TA07 and TB04 Pro II touring car chassis. Machined aluminum provides a firmer mounting point compared to many stock plastic arms, and the black finish distinguishes the component without implying extra coatings.
Functionally the arms link the rear uprights to the bulkhead and influence rear roll centre and toe behaviour. After fitting, inspect hinge-pin alignment and ball stud positions to preserve the intended suspension geometry. Minor toe and camber tweaks can help rebalance handling once the metal arms are installed.
Installation follows standard touring-car practice: remove the rear uprights, swap the stock arms for these aluminum units, and confirm pin retention clips or set screws are secure. Because the aluminum increases local stiffness versus plastic, recheck shock preload and damper settings during a test session to ensure predictable response.
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