C4 corvette rims

[Yingwangspinnything]

I have a set of c4 corvette rims the fronts are 17x8.5 the rears are 17x9.5 I need the tires to have the same height but I can’t just buy the same size tires How do I know what tire size I need

 

[Poconojoe]

Most tire company web sites, list the diameter of their tires

 

[Timbo]

Tire Size Comparison

Tire size comparison the easy way. Use our tire size comparison calculator to compare diameter, width, sidewall, circumference and revolutions per mile.

tiresize.com

You'll probably want 245/45/17 for the front and 275/40/17 for the rear if you want the total diameter of both to be close to stock SyTy size.