Hey, found a set of 4 with nice Z rated tires, front tires need replacing, but rear are almost new, guy wants 300 for them, they are black, and in perfect condition, what do you guys/girls think?

I cant picture them on my car, I dont want anything larger than 16", and I plan on puting eibach proline kit on after the wheels to lower it, I wanted to know if 16" wheels will be ok? Also anyone have a picture of them on a 94 civic? I will make my final decision on friday, so any info would be great.