One of the key fuel
injection components of the 7.3L and 6.0L engines is the High Pressure Oil
Pump (HPOP) which is also a common replacement part when dealing with low oil
pressure problems that can result in poor fuel atomization, loss of power,
excessive smoke levels and/or loss of economy.

Comes with IPV valve and updated STC fitting
Stock exchange replacement Bostech High Pressure Oil Pump