Trail Duty have rear Bilstein shocks for the H3 in stock.
These come complete with correct bushing/sleeve and bar pin for the H3, all you have to do is bolt them in, no messing around.
They allow for 1" more extended travel than the factory shocks.
Collapsed Length: 16"
Extended Length: 26"
Travel: 10"
http://www.trailduty.com/product_info.p ... cts_id=967