The kit contains four aluminium alloy ball ends for the front and rear upper arms of a 1/10 TRAXXAS Rustler VXL. They are intended to replace stock plastic ball ends and re-establish a firmer link connection.
In practical driving these alloy ball ends reduce free play where the upper arms mount, helping maintain alignment under load and making suspension tuning adjustments more reliable. These are sold as non-OEM upgrade parts.
Fitting requires standard removal of the upper arm link on the Rustler VXL. Confirm compatibility with your current ball studs and mounting hardware, and follow the chassis torque specifications when reassembling.
A practical hop-up to tighten upper arm link fitment on a Rustler VXL, suitable for replacing worn components or improving suspension consistency.
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