Two inches of lift should be enough to clear 33's.
An easy and economical 2" total lift can be done with the following from Off Road Design
1" Body Lift = $103 http://www.offroaddesign.com/catalog/oneinchlift.htm
Poly Body Mounts = $99 http://www.offroaddesign.com/catalog/bodymounts.htm
1" Zero Rates = $90 http://www.offroaddesign.com/catalog/Zero Rates.htm
U-Bolts=$80--also available from ORD
So for about $375 in parts you can have 2" of lift, and all of these parts can still be used later if you decide to go for more lift.
An easy and economical 2" total lift can be done with the following from Off Road Design
1" Body Lift = $103 http://www.offroaddesign.com/catalog/oneinchlift.htm
Poly Body Mounts = $99 http://www.offroaddesign.com/catalog/bodymounts.htm
1" Zero Rates = $90 http://www.offroaddesign.com/catalog/Zero Rates.htm
U-Bolts=$80--also available from ORD
So for about $375 in parts you can have 2" of lift, and all of these parts can still be used later if you decide to go for more lift.