These RACEOPT 3mm aluminium shims provide precise, repeatable spacing for model setup. The kit contains eight 0.5mm washers to help you get small adjustments right.
Cut from 7075 aluminium, the shims balance toughness with low weight. The anodised blue finish offers extra surface protection and a tidy appearance after use.
Employ these shims to tweak suspension geometry, correct part fitment, or set gearbox clearances. Their exact thickness ensures you can reproduce settings across test runs.
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