Ive been trying to read about offset and stuff and im not fully understanding it. I have a 2004 XLS Explorer, would these fit?

http://cgi.ebay.com/ebaymotors/4-FORD-RACING-MUSTANG-SVT-GT-WHEELS-RIMS-05-08_W0QQcmdZViewItemQQcategoryZ43957QQihZ012QQitemZ220250679949QQrdZ1QQsspagenameZWDVW

I want a rim like the viper has, but i cant find ANY like it with 114.3