RX28 2.381 ZIRCONIUM OXIDE CERAMIC BALLS (10 PCS) [Reflex Racing] RX409

RX28 2.381 ZIRCONIUM OXIDE CERAMIC BALLS (10 PCS) [Reflex Racing] RX409
In testing, we have found that Zirconium Oxide Diff Balls tend to have a little more grip than typical "black" ceramic balls, but perhaps not as much as carbide.  However, due to the production method of Ceramic balls, these due yield a smoother diff action.

Direct fit for RX515v4