call 'em up... getcha some extended lengths with 20%... Tell them you have part numbers and they'll set ya up

The last post is my eshocks experience:
http://www.xterraownersclub.com/ubb/ultimatebb.php?ubb=get_topic;f=73;t=001215

also, check out my post in this thread:
http://www.xterraownersclub.com/ubb/ultimatebb.php?ubb=get_topic;f=73;t=001206

even if you don't have any lift at all, those extended length shocks compress to the same size as can be seen in my pics. If you do ever get some lift in the rear, the shocks won't be your limiting factor.