Maybe you need these with the larger shank diameter. these are .684 where the ones you are trying to use are .592. Did you ever call Cragar to verify what nuts you need for the wheels you have? Exactly what wheel did you buy? I see two styles series 08/61 S/S and 61C S/S.
CRR-27721-4

Last edited by NITROUSN; 08/31/20 08:42 PM.