I just looked on datapro and they list the same part number for the 2.6 and the 3.0 LWB. You can't trust part numbers you get on AllDataPro.
I'm guessing the 3.0 # I listed above is for my SWB 3.0.
The part numbers on my sheets list the anchor at adjuster and anchor at lower A -arm as the same part number for V6 and 4 cly, so yes the 2.6 bars should work for the 3.0.
Now if we could just find a deal on some SWB T-bars.

dave h.
'89 Raider V6 5spd;Aisin Hubs;; Gen2 LS: frt. brakes, rear coils;U.C.arms;R.trailing arms;idler arm; rear LSD axle w.disc brakes ;2 battery system for Dog's fan; relocated ECU; custom bumpers;J.Baker receiver;Conferr roofrack; t-bar crank.