Both the 912 and the 913's will make your ride a bit stiffer, but the 913's, I was told by ARB, would be a closer match to what you have already. The 913's will raise your Passport about 1-1.5", while the 912's are a bit stiffer and will raise your truck 2-2.5".

98 Rodeo
00 4Runner

--I swear its just over the next pass !!--

--"Courage is something you can't be afraid to have." - Frank Burns