I'm guessing the smaller of the two for the ph1 172. I have these fitted on mine, believe me, they're a pig of a job to do. I don't know particularly mine were as I just bought from the K-tec website.
Again, arse of a job.
http://www.powerflex.co.uk/i/product_images/2-CLIO II inc 172 & 182.pdf
there is a little note in there hope this helps guys
Right after a little research and measuring.... I think the full polly bush kit for the ph-1 172 will be the following items:
Engine Dog bone Mount Kit x1 PFF60-206K
Front Anti Roll Bar Bush 23mm x2 PFF60-202-23
Front Anti Roll Bar Outer Mount 22mm x2 PFF60-207-22
Front Lower Wishbone Bush x4 PFF60-301