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Industrial Injection - 2003-2007 Dodge Cummins 5.9L Stage 1 Race Performance Head

PDM-59CRRH

2003 - 2007 5.9L Dodge Cummins


SHIPPING: Cylinder heads have a flat-rate freight charge of $175 in the lower 48 States or can be send direct from warehouse to US Diesel Parts for In-Store Pickup for $100. If you are in Alaska, Hawaii, or Canada, please contact us first for a freight quote for your area before ordering. Expedited shipping is NOT available on freight-weight items such as engines, cylinder heads, transmissions, etc...

This item has a core charge - buyer responsible for return shipping on core.

Was: $5,199.00
Sale: $5,050.00
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Description

2003-2007 Dodge Cummins 5.9L Stage 1 Race Performance Head

Part # PDM-59CRRH

The Industrial Injection 5.9L Cummins Race Heads are designed for the racer / sled puller in mind. Fully CNC ported heads complete ready to bolt on.

Heads are 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 a head 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 preformed 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. 

New High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 "C"? Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation. 

Guides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge. 

As needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions. 

Next the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot. When inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match. 

Using CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.

Finally the head is jet washed dried and assembled with new valve seals and new performance valve springs.


Features:
  • 5 Axis CNC Cylinder Head Porting Machine with CAD/CAM software specifically designed for cylinder head porting
  • Diamond Honed Guides
  • Unshrouded Valves
  • High Strength Alloy, Heat Treated iron based valve guides
  • Premium valve seat inserts made from a true Nickel Based Non-Magnetic material
  • Multi angle valve job
  • Performance 95LB valve springs
  • Fire Ringed Head
  • Milled Off Intake To Accept ZZ Fab Side Runner (not included)

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