I PUT A 3" LIFT ON MY '89 TROOPER A FEW MONTHS BACK AND WHEN I GOT TO THE TORSION BARS THAT WAS EASY. I JUST TOOK AN AIR GUN AND SAT THERE FOR A MINUTE UNTIL THERE WAS 1.5" TO 2.5" OF BOLT SHOWING ON EACH SIDE. I WORK FOR AND ISUZU DEALER AND SENT IT THROUGH FOR AN ALIGNMENT, BUT DIDN'T NEED IT. TOOK ABOUT AN HOUR TO DO THE WHOLE THING. I GUESS IT HELPS TO HAVE A HOIST AND AIR TOOLS, NOT TO MENTION MASTER TECHS. THE ONE THING THAT DOES BITE AFTER INSTALLING THE LIFT... NOW MY STOCK PIZZA CUTTER TIRES ARE MORE OBVIOUS!