This 7pcs hardened steel gear set is produced for the Kyosho Mini Inferno ST and Mini Inferno chassis to replace the internal front and rear differential gears used on 1/10 nitro and electric buggies. The components maintain the original geometry while switching to toughened steel for noticeably improved wear resistance compared with softer factory alloys.
As a direct drivetrain internals swap, this kit will influence gear mesh and backlash and extend long term durability. During installation verify gear mesh and bearing condition, keep pinion and spur alignment, and apply a light gear grease to tooth faces rather than heavy compounds that can bind. This is an aftermarket RC accessory intended for use inside the differential assemblies of the listed Mini Inferno variants.
A practical upgrade for tuners and hobbyists who want hardened replacement internals without changing chassis geometry.
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