Industrial PDM-67RH Stage 1 Race Performance Head | 07.5-18 Dodge 6.7L Cummins

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Industrial PDM-67RH Stage 1 Race Performance Head | 07.5-18 Dodge 6.7L Cummins


Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit

The Industrial Injection 6.7L Cummins Race Heads are designed for the racer/sled puller in mind. Fully CNC ported heads complete ready to bolt on.  Heads are the first jet washed in a high-pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next, they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.  Port development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.

Many things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.  Anyone can get ahead to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High-performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long-term exhaust temperatures.  The porting is then performed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier. 

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