Need Tire Sizing Help

[Flexusgs300]

Drivin a bagged 2000 gs300 just recently bought the R35 skyline wheels which i got for a steal at 900$ :] haha well im looking for besttire size set for the wheels... looking for either a mild or no stretch.... the car is bagged btw but here are the wheel specs. Just dont want rubbing.

Front 20 x 9.5 Offset 45

Rear 20 x 10.5 Offset 25

Im a scrub when it comes to tire sizes thanks for the help in advanced