Questions about 3" leveling kit? 1.5 rear block lift?

[Yaboi]

I see alot of guys doing the 2" and 2.5" any reason to avoid the 3" lift here..

2004-2009 Nissan Titan 3? Front Lift Leveling Kit:eBay Motors (item 220448075212 end time Jul-12-09 18:19:47 PDT)

I was also going to add this Rough country 1.5 rear block lift..... What do you guys think?

1.5" 04-08 Nissan Titan 2WD/4WD Rear Block & U-Bolt Kit:eBay Motors (item 390061550768 end time Jul-24-09 07:44:57 PDT)

[jc450r]

I doubt you are gonna get 3" with that. I have the 2.5" spacer from ncd and my uca's are almost touching my coil bucket. So without new uca's I cant see anyway of getting 3"and then you might not be able to bring the alignment back into specs.

But the blocks will be perfect......