Hi Guest!
smilie in place of the real @
Pretty Please - add it to our Events forum(s) and add to the calendar! >> Here's How << 
If you could post a photo of the drawing to fabricate them that would be helpful... thanks.There is a drawing on page 55 of Roger Williams book "How To Improve Triumph TR2- 4A" on how to fabricate these extension pieces. A simple item to make.