Fleet or step-side? Lowered or stock?
There are a zillion, well, maybe a half zillion, posts that you can refer to by utilizing the search tool. Here are a few:
http://www.wheelsforless.com/american_racing.aspx
http://www.wheelsforless.com/vintage_wheels.htm
http://www.akhwheels.com/pages/showWheel.php?pk=380
Or check out this thread, find one you like and then email the owner for the specifics;
http://67-72chevytrucks.com/vboard/s...d.php?t=107362
Good luck