Industrial Injection 5.9 Cummins 12 Valve Premium Stock Plus Head 1989-1998

SKU: PDM-12VSTKH
Industrial Injection 5.9 Cummins 12 Valve Premium Stock Plus Head 1989-1998 - Industrial Injection
Industrial Injection 5.9 Cummins 12 Valve Premium Stock Plus Head 1989-1998 - Industrial Injection

Industrial Injection 5.9 Cummins 12 Valve Premium Stock Plus Head 1989-1998

SKU: PDM-12VSTKH
Regular price $1,220.83
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Industrial Injection 5.9 Cummins 12 Valve Premium Stock Plus Head 1989-1998 

Fits: 1989-1998 12V Cummins

Item Type: Industrial Injection Cylinder Head

Brand: Industrial Injection

Part Number: PDM-12VSTKH

The Industrial Injection 5.9L 12v Cummins Premium Stock Plus Heads are designed to be an affordable & reliable upgraded head complete and ready to bolt-on.

Core Charge of $700.00 In Addition to Listed Price

Features:

  • New Performance Stainless Steel Valves
  • High Strength Alloy Valve Guides
  • Upgraded 150lb Valve Springs

Core Charge-$700.00 on top of listed price


    The Build Process:

    Heads are 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.


    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.

    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.

    Free economy ground shipping on most orders over $200. This includes lower 48 United States only. Excludes products that must ship freight.

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