This alloy front upper arm is an aftermarket replacement designed for the Tamiya DT-03 platform, supplied as one pair and intended to substitute the original plastic arms. It preserves DT-03 mounting points while offering greater rigidity to limit flex.
Installation is simple for routine DT-03 servicing: remove the stock arm, move over any usable bearings or fasteners, then bolt the alloy arm into the factory locations. A set of hex keys and basic tools will complete the job.
From a setup perspective, fitting an aluminium arm changes front stiffness and steering feedback, which can affect how the car transfers weight through turns. Use the arm alongside incremental suspension changes to understand handling impacts.
Opt for this aluminium upper arm when you need more consistent front-end response on a DT-03; check existing hardware and bearings before refitting.
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