My Enkei Raijins are 18x8.5 front and 18x9.5, +45 all around. I ended up going 225/40 up front and 255/25 in the rear. I almost went 245/35 up front, but changed my mind at the last minute. I'm very happy with how it looks.
http://www.ft86club.com/forums/showthread.php?t=42066