Prabathnilan

Hi, I recently bought a lancer CB 02 1993 model car. It had to replace rear 02 balance bar bushes & the mechanic said that he was unable to found bushes for my model. then he has replaced them with manually made ones. But the sounds from back side were not totally eliminated. next day he told me that i have to replace both shock absorbers to eliminate the sounds.my questions are: 1. is there any place to buy bushes for my model? 2. is there any place that i can repair shock absorbers instead of replace? 3. if i have to replace with new ones, where can i buy? & how much it will cost? please give me some advises. thanks