This aftermarket rear knuckle arm set is built for TRAXXAS GT4 TEC 2.0 cars and supplied as two pieces to support and stabilise the rear CVD shaft, rear arms and upper rear tie rod for improved geometry control. Fabrication uses aluminum 6061 T6 and fitted Delrin collars inside the bores to tighten the fit and improve joint stiffness during dynamic loads.
In tuning terms the component limits small lateral movement where the CVD and upper rod locate, which helps prevent unwanted toe or rear track shifts under acceleration or while cornering. Installing aluminium knuckles in place of worn plastic parts creates a firmer suspension pivot and more predictable responses over a run.
Installation should be routine for experienced hobbyists; these arms mount in the rear hub area as the knuckle arm assembly. Confirm the screw types and lengths before installing since the pack includes arms only, and check wheel alignment and toe after fitting to ensure the handling remains as intended.
Fit this pair to replace aged rear knuckles on GT4 TEC 2.0 cars or as a simple upgrade to stiffen rear pivots; double-check existing hardware before final assembly.
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