I got my parts from ebay for the LR series 2/2a slave and master, a place in Gt Yarmouth(norfolk) if I remember right, rose ends various sizes l/r handed, I bought about 30 in total, mostly from ebay seller Mc GILL motorsports, www.mcgillmotorsports.co.uk, reinforcing plates being made by a mate, he's cutting them with laser I think, not sure, adjusty rod bought some alloy rod off him, alright scrounged!!, will drill on lathe and tap left/right as needed.
I'm happy to help with bits for purely cost/postage if needed in a few weeks as busy busy till then.
tabetha