I have a few gauges for sale:
Autometer C2 0-100 psi fuel pressure gauge (electric sender). Also have the Ford fuel rail adapter.
http://www.summitracing.com/parts/atm-7163/overview/
$228 retail, good condition, asking $150

Autometer 30in vac/20psi boost (mechanical)
http://www.summitracing.com/parts/atm-7107/overview/
$91 retail, previous owner didn't treat it too well, asking $40


Innovate MTX-L WBO2 (whit face with sensor) for sale.
http://www.innovatemotorsports.com/products/MTXL.php
$199 retail, good condition (cable connections not the greatest, I taped/zip tied for the connections
Asking $125


Grab all 3 for $300