This 4 piece kit supplies aluminium alloy ball ends made for the front and rear upper arms on a 1/10 TRAXXAS Rustler VXL. They replace worn or stock plastic ball ends to restore a firmer connection at each suspension link point.
In everyday RC use these alloy fittings give a more positive mating surface that reduces slop at the upper arm attachment, helping keep suspension geometry consistent under load and making tuning results more repeatable. They are intended as aftermarket chassis components only.
Fitting needs basic upper arm removal on the Rustler VXL; confirm the ball end seats match your existing ball studs and reuse compatible mounting hardware. Check thread engagement and follow the chassis manufacturer torque guidance when reassembling.
A simple hop-up that tightens the upper arm link connections on a Rustler VXL, useful for replacing tired parts or refining suspension feel.
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