The Serpent 401732 spring set is made for the Project 4X chassis and gives enthusiasts a straightforward way to refine suspension response. Colour-coded coils let you identify rates at a glance so swaps and experiments are quicker trackside.
This collection includes ten matched pairs spanning multiple stiffness levels to suit different setups. Each spring goes through manual inspection to ensure matching and reliable behaviour. Adjust from softer to firmer springs to tune understeer, oversteer and overall balance for varying circuits.
A practical upgrade for Project 4X owners wanting more tuning options, this spring set supports consistent, repeatable changes to handling across different tracks.
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