Yokomo BD9 chassis Arrowspace Mg extra-flex plate by Arrowmax AM-900006  [AM-900006]

Arrowspace Mg extra-flex chassis plate

This Arrowspace magnesium chassis plate is supplied by Arrowmax for use on the Yokomo BD9 touring car platform and is intended as a direct-fit option part for drivers focusing on setup refinement. The "Extra Flex" wording in the product name describes the chassis characteristic to be considered during chassis tuning rather than a quantified stiffness value.

In practice this plate changes how the chassis responds to weight transfer and suspension inputs; technicians use it as one element in a broader setup package alongside spring rates, damper settings, and ride height. The part is presented as an aftermarket option that replaces the stock BD9 chassis panel where a magnesium plate and altered flex behavior are desired.

Installation requires standard RC maintenance skills: remove the original BD9 chassis plate, verify mounting hole alignment, and fit using the existing hardware to maintain original geometry. Check clearance for electronics such as the ESC and battery, and re-check drive train alignment after refit. When tuning, evaluate corner entry and mid-corner balance before making other setup changes to isolate the plate's effect.

Use this chassis plate as part of progressive setup testing rather than a single-step upgrade; document changes to spring and damper settings when evaluating handling differences and restore original components if a different baseline is required.