This aftermarket upper arm assembly is produced for HPI Savage chassis and fits as a direct-replacement to change front and rear link geometry on scale RC trucks. The design centres on an adjustable alloy upper arm paired with a titanium-look tie rod, and it is supplied with Delrin collars, mounting screws and a hex wrench to assist a straightforward installation and alignment process.
The component is intended to alter roll centre and camber link behaviour when installed in the vehicle's suspension linkage; replacing a stock plastic arm with a machined alloy version increases mounting stiffness, while Delrin collars reduce friction at the tie rod pivots. Fitment uses the existing upper arm mounting points on the listed Savage variants, so installation focuses on swapping the stock arms and trimming linkage lengths to achieve the desired handling response.
Installation hints: retain compatible ball studs and bearings where they fit, check thread engagement on the supplied screws, and make small adjustments while testing to observe steering and suspension changes. This is a scale RC part and is intended only for use on the specified chassis models.
As an alloy upper arm option for HPI Savage platforms, this part suits hobbyists making stepwise tuning changes to suspension geometry or those wanting a stiffer mounting link; the included Delrin collars, screws and hex wrench provide the basic hardware needed for replacement.
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