get the Hoosier A6 if you have the $$ and you want the best
get the Kumho Ecsta V710's if $$ is an issue but it's still a great tire.
as for a street tire at 140 the general concusses around here is the hankook rs3. but there are plenty of other good one too.
2009 FocusFest 2nd Place Slalom Finish
2009 NRSCCA ST Class Champion and Rookie of the Year!
2011 & 2012 Lincoln ProSolo Bonus Challenge Winner