I posted this a few threads down, but I'm gonna do it again. I am running the S/TZ-04's. Mine are 255/55/R18. I know you are looking for 20's, but I hope this may help. They are great tires too! 50,000 Mile warranty isn't too shabby either. Good luck bro! Pics are in Library if you wanna check em' out. Later! -G