Rod bearing failure has become a common issue on all years of the 6.7L Ford PowerStroke platform, especially on high horsepower applications (600+ HP). After doing some research with multiple engines, we discovered that the factory 6.7L PowerStroke oil pressure regulator can be extremely inconsistent and in some cases only allows around 38-40 PSI of oil pressure under high load / high RPM conditions. While this may be okay with a completely stock engine, it is simply not enough for ANY engine that is producing more than the factory rated horsepower. The installation of additional ...