there are 17x8 with 4.5" back spacing, all they way around. 225/50 on the front and 255/50s on the rear. My truck is in pieces right now, again. It is going to be tons cleaner and smoother once i get it done "again." Here's a link if you want to check out some of the stuff I've done lately.
http://67-72chevytrucks.com/vboard/s...d.php?t=272219
Wheel Vintiques sells the smoothies I have, but they are not as cheap as you might think they should be.