theres a 19mm one from Ultra Racing
http://ultraracingaustralia.com.au/i...ory&path=68_96

and a 22mm one from Comptech Engineering (CT-Engineering)
http://www.ct-engineering.com/Produc...1/Default.aspx

alot of guys say that the stock endlinks snap when upgrading them - so i would look at doing that at the same time