https://www.ferrariparts.co.uk/ or if the page link works https://www.ferrariparts.co.uk/PagesExternal/Search.aspx They had stock a few years ago, or you could get yours rebuild by Koni Koni U.K
I have a set of these from Roloefs. Not what you're looking for if you want stock Koni's. You can choose between rally and race springs. I recommend the rally springs. Roelofs Parts Bill
Pretty sure I have a set rebuilt with bushings booties and springs with played hardware I'd have to dig Drop me a line
