These aftermarket aluminium king pins are produced to 5mmx6.2mm XM4 dimensions and supplied as a set of four for Tamiya GF01 and the related TA/TL series. They are intended for hinge or knuckle connections in the front steering arrangement.
The king pin acts as the pivot between the steering knuckle and hub carrier and is a common service item. Aluminium offers greater resistance to bending under stress than softer materials while keeping weight low to preserve handling characteristics.
Installation is straightforward; check mating bearings and sleeves for wear and fit the pins with the existing mounting hardware. After assembly, confirm the steering moves freely through its full arc and replace any worn ancillary parts to retain correct steering geometry.
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