The GPM TRV057RS replaces the stock rear upper arm on the Traxxas Revo 3.3 with a tougher alloy alternative. Its sandwich construction, combined with the included screws and pins, creates a secure mounting point to help reduce flex and improve rear-end control on uneven surfaces.
Check tightness of all screws after installation and again after the first few runs. Periodic checks will help preserve handling and component life.
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