Built for the V ONE R4 series, the Kyosho VZW427 aluminium upper arm stiffener adds targeted stiffness to the suspension to reduce flex and sharpen turn-in. Manufactured from robust aluminium, it helps preserve suspension geometry over repeated running.
Aluminium combines strength and low weight, which makes it well suited for reinforcing critical suspension points. The Kyosho VZW427 helps translate small driver inputs into more accurate wheel movement.
This stiffener is shaped to align with V ONE R4 mounting points for an easy fit with minimal trimming. It is a straightforward option when refreshing worn components or dialing in handling balance.
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