the Gen 2 has a gen 2 ball joint. The advantage is the Gen 2 is easily replaceable(nut and bolts) , the gen 1 is a remove arm and press in the balljoint.

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.