Arrowmax AM-900001 is a machined magnesium chassis centre plate made for XRAY T4'19 touring cars. It is supplied as an upgrade or replacement to adjust overall chassis rigidity for track-side setup tuning.
The product is tuning-focused rather than decorative: boosting the centre stiffness changes weight transfer and steering characteristics. The overview covers compatibility checks, installation advice, and how the plate should be considered alongside suspension and tyre choices without claiming fixed performance results.
Fitment advice: check alignment with T4'19 specification mounting points, remove any electronics or components that block access, and tighten hex screws to recommended torque to avoid warping the plate. Slight trimming around aftermarket accessories might be needed in some layouts.
Use the AM-900001 plate as one tool in your setup toolkit; test changes to spring and damper settings and observe cornering balance before adopting the plate for race trim.
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