If you're going to route hard lines, buying new OE parts that are pre-bent is the easiest...but very expensive.
If you're going to craft them yourself, you need a tubing bender and a double flare tool. Practice a bit until you can make a proper double flare, it's not hard, but takes a few tries to get it right. Practice bending a bit, too. Here's a tubing bender: http://www.amazon.com/Advanced-Desig...=tubing+bender
Here's a double flare tool, that includes the bender: http://www.amazon.com/GearWrench-415...ble+flare+tool
Best material to use is the copper/nickel alloy line as it's easy to bend and won't rust. Not as cheap as regular steel, but only modestly more expensive and worth every penny. I would get it from Amazon, they're about 1/2 the price of my local auto parts store. Example: http://www.amazon.com/4-75-Copper-Ni...+copper+nickel
Finally, be certain that the fittings are in decent shape, or replace them, too. If they're rounded or rusty, you'll save a ton of heartache by replacing them.
Cheers,
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