The 3RACING ST-003/RE 13mm droop gauge blocks are a compact, easy to use accessory for anyone tuning RC suspension. The red finish makes them easy to spot in a pit box while providing a consistent 13mm reference point.
Use the blocks to support the chassis at a fixed height while you adjust shock preload, droop screws, or limiters. Consistent measurement points speed up setup changes between practice and qualifying.
These blocks match the common droop measurements used on 1/10 on-road cars, so they fit well into a setup workflow for both touring car and drift builds seeking repeatable suspension behaviour.
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