This is a set of four steel king pins manufactured to the 5mmx6.2mm XM4 specification, made as direct replacements for Tamiya WR-02 based cars including Wild Willy 2. The parts are intended to restore steering pivot integrity on worn spindles and knuckles.
These pins act as the pivot points in the steering assembly; installing new steel pins helps remove play and returns correct steering geometry. Always verify the pin dimensions against your existing parts before fitting and inspect the mating bore and any bearings while the hub is dismantled.
Fitment tips: remove wheel and hub, check spindle and bushings for wear, slide in the replacement pins and secure with your chassis hardware. After reassembly confirm free knuckle movement and correct bearing preload. This is an RC-scale replacement component, not suitable for full-size vehicles.
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