Dual Boost / EGT 3" round.  Electronic BOOST meter.  Requires 12-24 vdc.
Above picture is for reference only, select the scale ranges and dial face color.  This the back dial where the scales are ( lines and numbers )
Includes  a plastic "T" fitting, a  Brass 1/8" npt male adapter for the boost, a 5 foot cable used to connect to the thermocouple and 2 Lighting Kits,  Use a rubber hose to connect the gauge to the manifold found at your local parts dealer.
Thermocouple sold seperately