They arent really ripping you off, i talked to them while i was in for a service and the guy was trying to sell me a lift. He stated installed it was 600.00 thats with alignment. Not a bad deal. However Ive priced about every lift out there for the 3 inch so I could stuff 32's or 33's under there. You can get a spacer, and block like the one you looked at through ready lift from just about every 4wheel drive dealer in the Country. They range from about 129.00 up to 350.00 with a block or spring for the rear. I guess if your not wanting to install it yourself and drive it somewhere to have it aligned thats not a bad price. Im going with a do it yourself because they really are not hard to do as long as you have common sense, basic tools, torque wrench, and a alignment guy you trust. Look into it and im sure youll find its pretty easy stuff. The front is about 2 hours and the rear about the same just depending on your tool availability. If you want the install guide for some of these kits let me know. I would reccomend looking around on ebay
, and some of the 4 wheel parts
resources some of the guys on this forum have to offer first.
Bilstien also offers the 5100's that are adjustable up to 2.75 lift for the front and they are said to be better for the suspension travel.
check em out:http://www.bilsteinus.com/leveling/index.php
on the hell bent steel website there are install instructions for the front spacers at the bottom of the page. They only sell the front spacer but you can get blocks elsewhere. Just a start for you to toss around. It all depends on what you want to spend. Hope it helps.