Very helpful I've emailed to the new address.
Brian does indeed have in stock, they are just more expensive than the ACOC listed parts. I've bought all suspension my pins and bushes from Brian. In fact I collected them in person at Christmas and we had a cup of tea and a discussion about the AC works and he told me some stories. I'm new to the AC world and the whole experience was very cool. I mentioned Bob Staples, who raced VPL442 against Bill Shaw in our car 200GPD. Brian said Bob Staples was in and out of the factory all the time, he'd come in the side door, set a cylinder head up on the mill, skim it and then let himself out!
Here's a picture of Bill Shaw and Bob Staples on Paddock Hill Bend in 1961.
Thanks again, James Eastwood