1 or 2" BL should clear the 33's.
Roger Brown has the best kit for 4runners.
If you want more power get a 96, better (upgradeable, SAS chassis) get the pre96. You can get 97+ with a rear e-locker also.

89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim