I don't think so...
Yes, Sasuke is important, but he isn't as important as Naruto. His purpose is to push Naruto's character further and help him grow. Everything Sasuke does or any story progression Sasuke gets, is to help Naruto's character.
Everything he does is connected to Naruto somehow...
EDIT: Naruto's character can still progess without Sasuke. There are many other characters that helped Naruto's character in some way.
just like the title says
So the title must sasuke and not naruto......if sasuke more important, this is easy thinking why can't you thingking like normal ppl........???