I used an acewell speedo, and located that into my center console where my tach used to be, I purchased the acewell model ACE-2802AB-MX, with a universal magnetic pickup that i hooked up to read rearwhell speed. I will try to get some pics tommorow if intrested. here is the web link.
http://www.electrosport.com/street/speedometers-series-2700-2800.php