Grab a set of the Terrafirma braided brake lines - they're +2" size. That's what I run with the same setup. Plus you've got the added advantages of braided brake lines over the rubber.
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Or you can look at +2" or +4" Goodridge ones here Discovery 2 | Goodridge Hoses | Performance
I'm currently waiting on some +2" I've ordered to arrive.
Have a look here for a different option to gain 4 inch lift.
Performance Suspension Kits