The Serpent SER401788 Upper Rear Wishbone is a key spare for Project 4X PRO EP owners wanting reliable rear suspension behaviour. It is produced to match the 4X PRO layout and supports consistent handling on race day.
Designed to align with Project 4X PRO EP mounting points, this wishbone fits into the existing rear suspension without extra modification. Keeping the correct geometry helps the car respond predictably through corners.
When used in tuning sessions or as a direct replacement, the SER401788 delivers stable handling and repeatable performance. It is suited for drivers testing suspension changes across different track surfaces.
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