If you are fine tuning setup, the Serpent 903759 Brass Chassis Weight is a handy bolt-on part that brings 14 grams of mass to the S989. It helps stabilise the car and gives a more grounded feel through corners.
Brass is chosen for its density and durability so the weight keeps performing session after session. By lowering the centre of gravity and spreading mass more evenly you can reduce roll and improve high speed composure.
Matched to the S989 chassis, this weight fits without cutting or custom work. The accurate fit means quick installation so you can spend more time testing setups on track.
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