Jegs Gauge Set w/ Aluminum Panel

Àre they mech or elect also are they 2 5/8 or smaller
Have a like new set of oil pressure, water temp, and voltmeter gauges. they are from jegs and in their polished aluminum panel.

link to set at jegs jegs gauges

these were installed for a few months then changed out to the vintage style stewart warner ones. in the pic of the backside of them the bulb is not in the gauge but you can see its still there by the red wire behind it.

$85 shipped obo...parts located in new palestine, in