Used Megan Racing guages.
Oil pressure w/sender - $30
http://www.meganracing.com/products/product_detail.asp?prodid=222&catid=80
Boost/Vacuum - $30
http://www.meganracing.com/products/product_detail.asp?prodid=220&catid=80
Oil temp w/sender - $25
http://www.meganracing.com/products/product_detail.asp?prodid=221&catid=80
Coolant temp w/sender in rad hose adaptor - $30
http://www.meganracing.com/products/product_detail.asp?prodid=223&catid=80
Or all guages for $100
Aluminum machined center vent 2 guage holder with air vent middle - $20
