INDYCAR Strengthens Rear-Wheel Bearing Retaining Nut, To Debut at Iowa Doubleheader

INDIANAPOLIS (Wednesday, July 19, 2023) – INDYCAR, along with longtime partner Dallara, is providing an update to improve the overall strength and retention of wheel hubs on NTT INDYCAR SERIES cars. The updated rear-wheel bearing retaining nut is being distributed to all entries in the NTT INDYCAR SERIES and will be mandated for use beginning…

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