The Air Intake Heater (AIH) found in ’99.5 and up 7.3 Powerstroke (Not for F650/F750) blocks approximately 20% of the airflow through the intake manifold.
The eliminator plug allows for increased airflow and better combustion.
The plug has the correct thread type, and length.
The Boost Gauge Plug for Boost Gauge is drilled, tapped, and installed.
It also includes the Boost gauge fitting to allow you to connect your boost gauge to the Air Intake Horn with 1/8" line.