For $330 it's going to be junk. A good/decent set of springs from eibach or whoever is typically $200-$250. Let alone shocks! Honestly I would reccomend just saving up and buying some bilstein sports or better yet, koni adjustables (something like $400) and a good set of eibach springs (probably $200 - $220)
Not only will it last longer than the car, it's much much MUCH better all around.