First off, if one side is broken, and the broken pieces are that far away from each other, the other side is likely broken, too.

Yes, you purchase new anti-sway bar links and just replace them. I don't agree with the Quadratec rating. The grunt effort to replace them may be up there, but the technical knowledge required is minimal. Look at any technical manual for your vehicle (OEM or aftermarket), and the explanation of the job should be relatively simple.

1977 CJ-7, fiberglass body, AMC 360 w/ headers, DUI ignition, Edelbrock intake and Holley 4150 carb, TF999, Dana 300, 4.56 gears lockers, York air comp, 4" susp lift, 2" body lift, BFG 35" M-T tires, Megashifter, AGR pump & box, REP8000 winch.