As far as I know, calamini has the only lift kit for the gen 1's. You might try using the google search box on the upper left of the page, there may be something out there that I don't know about.
2011 SV Crew Cab long bed 4x4 Purchased 4/13/11
Curt hitch, Scanguage II, +2 degree Timing advance,450W inverter
30% tint on front windows, Diamondplate aluminum chest toolbox and wheelwell box,
Touch screen Hu with rear view camera and Bt, DeeZee rubber bed mat, Angel eye foglights,
TruXedo trucksport tonno, Hypertech Max Energy, Lift. Adf 2" spacers up front. Prg 1.5's in the rear