3" lift leveling kit
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#4
i got the 2.5" aluminum block one off of ebay as stated in the thread mention (as i started the thread) and i think the 3" would be too much, its not a 1:1 ratio you get out of the leveling kit as they aren't 2.5" to 3" blocks, they are more like 1.5-2.0" blocks but it forces down on the lower control arm giving you the "level". it quite the pain getting the 2.5" to fit as the lower control arms wouldn't compress up enough for the upper arms and ball joints to get close enough to fit the nut back on, and this was with me doing at the shop i work at with the truck on the lift, and lower control arm on a jack stand with all the vehicles weight on it. i had to loosen the upper control arms and use 4ft pry bars and 3 guys to get it to fit. also under no tension the bottom of the strut gets stuck on the lower control arm, but its fine when it has weight on it. so short answer.... i would go max with the 2.5" but i have a 2wd, so not so sure with 4wd if thats what you have