The Yokomo ZM-414 Kingpin Set supplies four replacement kingpins intended for off-road suspension servicing. This note emphasises long-term wear control and restoring tighter steering response.
These parts are service replacements designed to remove play at pivot points in the suspension. Fitting new kingpins restores proper steering geometry and articulation when original pins show wear, and they are primarily for maintenance rather than an upgrade to increase performance.
Fitment follows standard hub service: take off the wheel and hub carrier, remove the old pin, install the ZM-414 replacement, then confirm the hub turns freely and shims or spacers are correct. Make sure retained clips or pins engage fully where applicable.
In routine setup work, replacing worn kingpins can reveal the real effects of shock and roll centre adjustments by removing unwanted slack. Always re-check alignment and steering free play after reassembly.
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