The 3RACING Stainless Steel 4mm shim spacer set is built for model tuners who need precise, repeatable adjustments. The pack includes 0.1mm, 0.15mm, 0.2mm, 0.25mm and 0.3mm shims to cover small incremental changes.
These stainless shims work well for tuning suspension geometry, correcting gear mesh, and improving alignment. Their durable finish helps resist wear from regular track or trail use.
With 10 pieces of each thickness you can experiment with different stacks without worrying about running out. The kit supports iterative tuning so you can arrive at a reliable setup faster.
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