steel ones from malaysia are only $30. i just waiting for a postage quote to come back. ali ones are $50 i think and adjustable ones are $60. divide myr by 3 to get roughly aussie dollars
let me find link.
here.
http://list.lelong.com.my/Auc/List/List.asp?DA=A&SubmitButton=Search&TheKeyword=proton+shifter&x=24&y=15&CategoryID=&PriceLBound=&PriceUBound=
i going the steel, because of what peasoup was saying, so i can weld if need be. my ali welding is still very sub par