Hobbyists tuning on-road cars can fit the Yokomo ZD-505CDA 3/32 inch ceramic differential balls to improve differential rotation consistency. These balls are intended for use in ball diffs like those on SD and BD series models.
Ceramic offers lower density and strong surface hardness, leading to reduced friction and slower wear of contact areas. This keeps your diff action feeling even over session after session.
The Yokomo ZD-505CDA matches 3/32 inch diff requirements and suits many precision on-road setups where small improvements to diff roll can affect handling balance.
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