What tires for an 18" wheel? Really struggling, could use some help!

Hey all! I'll get straight to it, what tires would you be running on an 18" wheel?Stock fronts are a 110 and the rear is a 130 (It's a 1984 Gpz550 A1) via /r/Trackdays https://www.reddit.com/r/Trackdays/comments/d8i5wp/what_tires_for_an_18_wheel_really_struggling/?utm_source=ifttt