The Factory Pro FP-B-CDB312 3mm Ceramic Differential Balls arrive as a 12 piece pack intended for hobbyists seeking steadier diff operation. Ceramic construction provides a harder surface and lower rolling resistance than standard steel alternatives.
Because ceramic resists wear and keeps friction low, differential action stays more consistent between services. That consistency helps drivers maintain handling predictability across multiple runs.
These 3mm balls are appropriate for a variety of differential types that require precise ball sizing. They are a practical spare part for routine servicing and performance-conscious rebuilds.
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