Originally Posted by Shamu

There are lots of bar choices. Be careful as biggest doesn't always mean stiffest. Hotchkis is a hollow bar. There are solid bars that are likely a little smaller but just as stiff. Progress makes a bar that I use that is same diameter as Hotckis but its not adjustable. I believe Hotchkis bar is adjustable. It's also fairly inexpensive. doran stuff is one off and hard to get. More for serious track car use. I can say my progress bar has been very good even without adjustability.