Then bent roll bar can be accomplished with a vise and the stock bar. Its not hard to fab your own. Locall steel suplier a couple of cock-tails and wala you have made your own.
Empire racing made a really nice handle for the tank. There again you can make your own. I'm making some rite now out of carbon. Aluminum could be easily formed into what you want. Just be sure you make a nice backing plate so you don't snap the handle off of the tank.