There are 2 different brands (that I'm aware of).
The IPCW ones that I have in clear (very happy with the quality):
http://www.lildevilmotorsports.com/h...ed-p-7716.html
Ther RECON ones which I know nothing about, maybe someone can help you:
http://cgi.ebay.com/ebaymotors/NEW-02-06-Hummer-H2-AM-G...dZ1QQsspagenameZWDVW