http://www.autometer.com/cat_gaugedetail.aspx?ref=search&gid=3230
As the title states I have a Z series quage and probe for sale. The guage sells for little over $100 new and the Probe sells for $100 also. Im asking 65$ for the guage and probe only because you are going to have to buy yourself a weld in bung thats not included. Can be purchased here
http://cgi.ebay.com/ebaymotors/AUTOMETER-5254-PROBE-REPLACMENT-COMPRESSION-FITTING-KIT-_W0QQcmdZViewItemQQhashZitem439afd7591QQitemZ290363110801QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories