rims tires

Hi all, I'm set on doing some autocross in my 2014 GT this summer and I'm interested in picking up an extra set of wheels for autocross usage, as my Stang is currently my only vehicle. I was thinking of picking up as cheap a set of 18s or 19s as possible but was also wondering if anyone has used...

Hey guys Im selling my mach 1 rims, they are real mach 1 rims not aftermarket ones, 17X8s with 245 45 17 bfg gforce sport tires one them that have good tread left all around(60%) id say i havent measured them. there is some curb rash on them but they dont look bad at all thats why i havent...