Dual Boost 0-20 psi / EGT 100-1500f, 2"
Comes with a plastic "T" fitting and a  Brass 1/8" npt male adapter for the boost , Use a rubber hose to connect the gauge to the manifold found at your local parts dealer.
Also a 5 foot cable used to connect to the thermocouple.
 
Thermocouple sold seperately
Light kit 186-12A2L sold separately
Instructions