My wife's 2003 SR5 got the 2/1 Cornfed kit from Burtman plus Bilstein 5100's and kept the stock springs. Then I swapped the tires for BF Goodrich KO2's. I could not be happier. I did not want to rely on the adjustable front shocks for the lift, because my sons 4Runner was lifted by the previous...
2003 SR5 bone stock suspension with Geolander 265/70/16 on factory wheels in first pic. Added a 2/1 Cornfed lift from Burtman with Bilsten 5100 shocks all the way around. Frnt shock set at zero lift. Switched tires to BF Goodrich AT KO2 in 265/75/16. Rides great.