CV joints off a 300zx

Got a pair of cvjoints/halfshafts from a z31 300zx in great shape. I’ve heard they can be used on s13’s but i can’t verrify that. Looking for $20 for the pair.

http://img1.classistatic.com/cps/kj/100811/621r7/2877432_20.jpeg

In mississauga just south of the 401.