Wouldn't know about Ferrari clutches, but standard king pins don't have a great life. Hence the hard chrome aftrermarket versions which should run to 50k plus provided regular lubrication and shrouds to keep out road crud.
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly '11 MINI Countryman Cooper D All4 '90 LR 90 SW