Serpent SER401768 19.5mm pullrods are specified for the 4X EVO to ensure the suspension linkages remain accurate and reliable. These components are key to achieving steady, repeatable handling at varying track speeds.
Maintaining the 19.5mm length preserves intended arm geometry and roll behaviour, helping the car deliver predictable turn-in and traction use. That makes setup changes more transparent when tuning for different circuits.
Tighten the Serpent 19.5mm pullrods to remove play while avoiding stripped threads. Check them during routine maintenance and swap any that show bends, thread wear or damaged ball connections.
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