The Yokomo ZS-506A Differential Drive Ring set contains two replacement rings intended for regular upkeep of ball differentials. These parts help preserve consistent engagement and reduce drivetrain lash when fitted correctly.
These drive rings are built to fit several Yokomo chassis models including DP-GR35, DP-YD4 and MRTC-86, offering flexibility for users running different platforms. They are useful for routine servicing or when rebuilding a differential after prolonged use.
Made to precise dimensions, the rings provide a secure interface that reduces movement and helps protect internal diff components from premature wear. They are appropriate for club racing, practise days and casual use where dependable diff action is required.
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