This is an aluminum spacer set designed for RC 1/10 scale YZ-2 series cars to change roll behaviour by raising the gearbox mounting height. The spacer thickness is 2.0mm and the part fits under the gearbox to affect weight transfer and roll centre margins without changing suspension geometry directly.
Placement is under the gearbox, above the rear suspension mount and ahead of the rear brace. In practical tuning, adding this spacer shifts the chassis roll response and can be used to reduce rear grip roll or to fine tune mid-corner balance depending on other setup choices such as anti-roll bars and shock settings. Installation requires basic disassembly of the lower chassis area to lift the gearbox slightly and insert the spacer between the gearbox and chassis mounting point.
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