The Kyosho SCW041 Handling Adjust King Pin Set is a precision spare designed for use on the Tomahawk 85WC, with optional application to Scorpion-series chassis sharing the same steering pivot. By reducing the outer diameter slightly under the usual 4mm dimension, the kit allows measured increases in pivot clearance to tame nervous steering on low-grip surfaces.
Included are two reduced sizes, 3.9mm and 3.8mm, allowing staged tuning adjustments. Selecting a smaller kingpin increases lateral play at the steering pivot which can lower sensitivity to small inputs and improve straight-line tracking without removing useful turn response for cornering setup changes.
Fitting notes: these kingpins are intended as direct replacements where the pivot interfaces match. When fitted correctly, expect modest steering geometry changes only; no chassis fabrication should be required. Make adjustments progressively and test in controlled conditions to find the right balance.
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