The Yokomo ZC-A3660B provides thicker, single-piece aluminum spacers intended to replace stacked thin washers. The one-piece design reduces movement between layers, delivering better positional accuracy and higher mechanical strength.
Options include 4mm, 5mm and 6mm spacers, each supplied in packs of eight. These parts are ideal for making small, repeatable spacing adjustments such as gearmesh shims, suspension pickup spacing and axle/hub offsets on 1/10 touring and drift platforms. Fitment is straightforward: replace the stacked shims with a single spacer of the chosen thickness at the same mounting point.
For tuning, pick the spacer that achieves the required clearance or preload and then confirm alignment and rotational freedom after final tightening. Compared with paper or multiple thin metal shims, aluminum spacers give greater rigidity and consistency across adjustments.
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