The Factory Pro O-XCP018 front upper deck is made for the XRAY X4 chassis and features a narrow split profile with a "Soft" designation in Graphite 2.0 material. It is intended for racers who want to refine front-end flex characteristics on tarmac cars.
Graphite construction provides a more consistent, carbon-like flex compared with standard plastics, making it a practical choice when tuning steering and traction on the front axle. This is an aftermarket tuning component, not a generic chassis replacement.
Fit notes: this deck is a drop-in style part for XRAY X4 front upper deck locations, but check compatibility with your specific X4 revision before fitting. Evaluate changes as part of your usual setup routine - tyre selection, damper settings and anti-roll bars - to see how it affects handling and lap consistency.
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