For racers tuning older T Series cars, the XRAY 308390 spring kit supplies 24 precision-engineered springs to refine chassis behaviour. The set is intended to give straightforward tuning choices for a range of driving conditions.
Each spring is manufactured for steady tension and repeatable compression characteristics, so you get similar handling from lap to lap. Durable construction helps resist fatigue even under frequent competitive use.
The varied spring choices let you adjust roll stiffness and rebound to suit track type and driving technique. Swap springs in small steps to find a setup that improves cornering or landing response without overcomplicating your changes.
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