Picking up a set of coilovers shortly and am looking into getting wheels..I am looking at the Kosei K1's 16x7.5, 43+ offset and 215/50 tires..Has anyone run this size? Looking for something that doesn't rub ..

 

nobody is running 16x7.5?

 

You want 225/45/16 for that wheel - dead on right size and best (largest) contact patch. 215/45/16 would be an ok substitute but is a little smaller than stock diameter. 215/50/16 is Why get a taller sidewall than stock? 225/45/16 has plenty of sidewall (same as stock) and its significantly wider

If you're really low you might rub a little in the rear with 225/45/16 but probably not too bad. If you have more of a race setup with very stiff springs you're golden though. I would imagine since you're getting K1s, you're not building a show car and planning on dropping it to the ground.