The Kyosho IFW425B rear universal swing shaft increases rear-end stiffness for MP9 models, helping with traction and response on mixed surfaces.
Designed to stand up to hard use, the IFW425B uses sturdy construction to minimise bending and maintain reliable performance under load.
This part is a direct replacement for IFW404 and IFW404B, fitting into the original mounts so you can upgrade without altering mounting points.
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