parting out 71 dart swinger

http://www.forabodiesonly.com/mopar/showthread.php?t=184191
I could sure use those sbp center caps on my 70 dart. right now I am using 1972 sbp acorn centers how about a trade and I add cash. let me know if this is possible. I have been looking forever and here in Kansas it is next to impossible to find them.