This 1.2mm steel chassis is a replacement plate manufactured from Hudy Spring Steel for the XB4 2026 model. The higher mass moves the car's centre of gravity lower, improving straight-line stability and creating more repeatable handling across different track surfaces while preserving the standard geometry.
On medium to high traction circuits the extra weight reduces traction-roll tendencies during mid-corner weight transfer, helping the car stay composed. The spring steel material gives robust service life for frequent running and yields the handling feel associated with steel chassis plates.
Fitting is a direct replacement for the specified chassis code and normally does not demand other setup changes; retain existing suspension and differential settings and confirm behaviour with a short on-track run before longer sessions.
Opt for this chassis when you require a sturdy, low-CG steel plate for XB4 2026 on medium to high grip tracks; only fine tune settings after on-track assessment.
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