This aluminium front upper arm is an aftermarket option built for the TRAXXAS 1/10 Rustler VXL and carries model RUS054 from GPM. Supplied as a matched pair, the arms keep the stock mounting geometry so you can fit them using the chassis factory hardware.
Installation notes: take off the wheel and disconnect the steering linkage to reach the upper arm pins, reuse original screws and retainers where they fit, and check ball socket alignment before final torque. A set of basic hand tools and the correct hex driver are adequate for installation; confirm steering travel and suspension droop afterwards.
Tuning role: metal upper arms change stiffness where they meet the upright, which may alter steering response and front suspension behaviour. Fit these arms when you need a more durable replacement or when experimenting with small steering geometry adjustments; inspect toe and camber and reset links as needed.
Ideal for replacing worn arms or testing front-end stiffness changes; follow standard setup checks after fitting to maintain consistent steering and suspension behaviour.
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