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USD 441.36
Part #: ARP247-4203

ARP Diesel Head Stud Kit 247-4203

1989-1998 Dodge 5.9L Cummins 12V
Part #: ARP247-4203
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To overcome head gasket failures that can occur in diesel engines employed in truck and RV applications, industry leader ARP has introduced extra heavy-duty head studs for the popular Ford, Dodge and GM powerplants. These ARP studs are rated at 220,000 psi tensile strength, and provide the clamping force required to keep cylinder heads from lifting due to higher combustion pressures.

The studs are manufactured in ARP's Santa Paula, CA plant from proprietary ARP 2000 material, with threads rolled after heat-treat to provide optimum fatigue strength. They are centerless ground to assure perfect concentricity. The ends of the studs are broached to facilitate easy installation. This feature also enables the cylinder head to be removed in tight quarters. Also included in each kit are heat-treated, chrome-moly steel 12-point nuts and parallel-ground washers. They are black oxide finished for extra durability.


  • ARP 2000 Material
  • 220,000 PSI Tensile Strength
  • Chrome-moly Steel, 12-Point Nuts
  • Parallel-Ground Washers
Note: Rocker Arm Pedestals must be modified for installation. 


  • MFG. Number 247-4203
  • Manufacturer Name ARP
  • Shipping Weight 9.00 lb.
  • Shipping Length 11 in.
  • Shipping Width 8 in.
  • Shipping Height 3 in.
  • Fuel Type Diesel
  • UPC 672036031367
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Most Popular Questions

Do these require the rocker pedestals to be machined?
View Staff Answer 

Click HERE for installation instructions.

If I buy these studs for my 95 12 valve what exactly do I have to do to the rocker pedestals
View Staff Answer 
Refer to the installation instructions HERE to view the rocker pedestal modification needed.