This alloy front adjustable upper arm is an aftermarket replacement part produced by GPM for TRAXXAS SLASH 4X4 owners seeking a direct-fit aluminum option for the front suspension. Supplied as one pair, the component focuses on durable material and a simple adjustment point to influence camber and roll-center settings without changing other suspension items.
Fit and installation are straightforward when the original mounting points are retained. The arm replaces the stock plastic unit and uses the same hinge-pin and ball-stud positions, so retain existing hardware unless you plan to upgrade to hardened pins or different ball studs for altered geometry. A small amount of trimming to adjacent linkages is not expected with standard SLASH 4X4 setups.
In tuning terms, this upper arm provides a firmer mounting surface that can reduce flex under load, making camber and toe changes more consistent lap-to-lap. Use the adjustable features to fine-tune static camber and roll-center; expect changes to steering feel and tire wear when moving settings away from stock.
As a direct aftermarket replacement, this GPM SLA054 front upper arm offers a metal alternative to stock plastic parts, intended to give a stiffer mounting point and predictable adjustment range for front-end setup work on the SLASH 4X4.
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