Source for another 351C block?

RMODEL65 said:
www.ausford.com they import aussie cleve parts pretty cheap and the blocks are stronger!!
Bzzzt! Sorry, wrongo! The only really siginifiactly stronger aussie C blocks were what was called IIRC the blue blocks, and there rare and worth major $$$ IN Oz! To get one of those things here is insanely expensive, but worth it to some