Not to sure bout 4/6 but on the woodford pages in passionford it lists parts for erst's on the right and a section with clutches. Just give them a call and tell them what your running!

As for the pic make sure you have a photobucket account (www.photobucket.com) (its free) then get some pics in there and they gotta be the same size as everyone elses. Then copy the url from photobucket and go into profile on here, and where it says you can put the pic paste it in but put [img] in front of it and [/img] after it.