This 1/14 scale radius arm set is built in alloy to replace the original plastic arms on Tamiya tractor models. It gives a firmer rear suspension mounting point, helping to cut flex and provide more repeatable handling under load.
The package is supplied as a 2pcs set and includes collars, lock nuts and mounting screws as stated in the product name. These parts are made to fit the truck's existing mount points for a straightforward aftermarket swap that concentrates on chassis stiffness and consistent alignment.
Installation notes: inspect ball bearings and pivot locations for wear before starting, remove the factory arms carefully, transfer any spacers that are needed, fit the alloy arms with the supplied collars and lock nuts, and tighten hardware to a firm but controlled torque to protect threads. Check final alignment on the bench and recheck after a short trial run.
When tuning, these radius arms help to stabilise rear axle geometry during acceleration and braking, giving a firmer suspension feel and helping to maintain consistent pinion and spur engagement under load.
Choose these alloy radius arms for a durable, direct-fit upgrade to reduce rear suspension flex and keep geometry consistent while tuning and running.
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