Arrowmax AM-900007 is an aftermarket magnesium chassis stiffener designed to fit the Serpent 4X platform and Project 4X series. The part delivers local gains in torsional stiffness through Arrowspace magnesium construction to affect chassis balance and handling during setup and track tuning.
Made as a tuning component, the stiffener aligns with the Project 4X chassis mounting scheme without changing main geometry. Its function is to give tuners a steady change in flex distribution so suspension and roll behaviour can be refined without altering primary drivetrain parts.
Installation notes: attach the component to the existing chassis mounting points and decide whether to replace or add to factory braces according to your chosen setup. When fitting, confirm hole alignment and check clearance for drivetrain and suspension parts before final tightening.
This magnesium stiffener suits drivers and mechanics who want a controlled, repeatable change in chassis rigidity on Serpent 4X cars.
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