This alloy front knuckle arm is an aftermarket replacement manufactured by GPM for Kyosho Mini Inferno ST and Mini Inferno chassis. It is offered as a direct-fit upgrade to the stock steering knuckle, retaining the original mounting points to work with Kyosho steering assemblies.
The component is described as machined alloy to reduce flex in the steering linkages and maintain alignment under load. Fitment focuses on the front steering knuckle position and is intended for 1/10 scale RC buggies, both electric and nitro variants that use the Mini Inferno platform.
Installation notes: verify existing hardware and ball bearings, transfer any necessary pins or washers from the original knuckle, and use the correct hex screws to secure the arm without over-torquing. During setup, check steering toe and ackerman before finalizing to ensure predictable handling after fitting the alloy arm.
Role in tuning: swapping to an alloy knuckle arm provides a stiffer steering mounting point which helps reduce unwanted flex, allowing more consistent steering response when adjusting caster, toe, or steering link geometry during chassis setup.
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