help with a lock bar

hey i bought a 91 s13 hatch and it has hicas steering and when i turn corners its almost like the rear wheels all of a sudden catch and it make me over steer corners thinkin of buyin a lock bar but want to make shurr that will solve the problem and if so anyone willing to install?

$$ Someone might do it out of the kindness of their heart, but the part will most likely fall off or worse.