This GPM aftermarket alloy rear arm bulk is an RC-scale replacement part designed for use with Kyosho Mini Inferno platforms. It fits the front gearbox mounting area and is supplied as a single-piece 1pcs set including mounting screws as indicated in the product name.
Compatibility is limited to the Kyosho Mini Inferno family listed in the product title, the exact model names must be used when checking fit before purchase. The component is machined from an aluminum alloy to offer increased durability over stock plastic arms while maintaining correct alignment for the gearbox interface.
Installation is straightforward for hobbyists familiar with model maintenance, the part replaces the original rear arm bulk at the front gearbox mounting point and uses the supplied screws to secure the assembly. Retain original bearings and shafts where applicable and verify gear mesh and clearance after fitting to avoid binding.
In terms of setup and tuning, an alloy arm bulk can slightly alter steering and suspension behaviour by making the mounting point more rigid; use it where increased durability and consistent geometry are priorities, such as practice runs or track sessions where component wear is a concern.
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