I have one Autometer CF Air/Fuel gauge, and Volt gauge. Also I have one Autogauges Real CF Water Temp gauge with the temp sensor, +fake CF Volt Gauge.

Autometer Air/Fuel - $60 (used for 4months)
Autotmeter Volt - $20 (same...)
Autogauge Water Temp - $20 w/ sensor (it was just a space filler)
Autogauge Volt - $5 (out of box but never been used)