This alloy lower arm bulk is an RC replacement part made for the rear gearbox area of the Kyosho Inferno MP7.5. It provides a solid mounting point that links the rear suspension to the gearbox, helping to keep suspension geometry stable under load and allowing tuning via the 2 degree offset.
Manufactured with machining intended to deliver a repeatable pivot without modifying the chassis layout, the bulkhead is supplied as one piece for a direct swap with MP7.5 rear gearbox mounts. Fitment uses standard hobby tools and you should transfer any bearings or screws from the original piece.
Workshop notes: work cleanly, sort small hardware, and recheck alignment after fitting. Combine this part with appropriate rear links and damper settings to tune traction and roll; small arm angle changes affect handling more than straight line speed.
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