Dymag wheel nut insert

[77racing]

Does anyone know where I can get a wheel nut seat insert for a dymag wheel. the ali seat sits in the wheel and the tapered nut fits into it to seat it. It is probably a Ford part that's as far as I have got.

[77racing]

just for others knowledge, they are standard fit ,alloy steel insert washer 24mm x 10mm bore 15mm 60* champher part number PRAA501