Need GM side to top post adapters?

Where can I get these side to top post adapters? I need something to replace these that will work with a GM side post battery in a 2000 Buick Park Ave. The negative is stripped so I need to replace it.

http://www.caraudio.com/forums/attachments/wiring-electrical-installation-help/26544060d1375372797-need-gm-side-top-post-adapters-dscn0566.jpg

http://www.caraudio.com/forums/attachments/wiring-electrical-installation-help/26544061d1375206691t-need-gm-side-top-post-adapters-dscn0565.jpg

I found some battery post adapters at Amazon.com. You just need to take a look, see if anything fits your needs. I have no connections to Amazon.com, that's just what I found. I tried to post an image, evidently it didn't work.

Try this.
http://s23.postimg.org/jns397srv/battery_posts.jpg