The Serpent SER401768 19.5mm pullrods are intended for the 4X EVO to provide a trusted connection within the suspension train. Properly fitted pullrods help the car track true and respond cleanly to driver inputs on faster layouts.
The 19.5mm specification keeps suspension geometry within its designed window, which preserves predictable turn-in and exit behaviour. Maintaining that geometry reduces unwanted roll or twitch under cornering loads.
Secure the Serpent 19.5mm pullrods without over-tightening and recheck after a few laps to ensure no slack. Replace any rod that shows deformation or wear to keep the chassis performance reliable.
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