If you are having trouble finding the parts then just order the kit from Glencoe LTD in the UK:

https://www.glencoeltd.co.uk

Takes less time searching and costs about the same including postage with exchange rates and arrives in roughly the same time-span.

Bruce
1964 4/4 Series V Comp (Megan)
1994 +8 (Maurice) tis no more
2013 M3W (Olga)