not my auction
If I wanted km/h i'd have bought it now
http://cgi.ebay.com/ebaymotors/NOS-1985-1986-FORD-THUNDERBIRD-SPEEDOMETER-TURBO-COUPE_W0QQcmdZViewItemQQcategoryZ33678QQihZ018QQitemZ280082556650QQrdZ1
Remember, you can print mats with MPH on them, and have a 125 spedo. A fair sight better than 85.