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USD 340.99
Part #: ARP150-5801

ARP 150-5801 Main Stud Kit

2003-2007 Ford 6.0L Powerstroke
Part #: ARP150-5801
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The ARP 150-5801 Main Stud Kit for your 2003-2007 Ford 6.0L Powerstroke is recommended over bolts whenever possible for several key reasons. First is the ability to obtain more accurate torque readings because studs don't "twist" into the block. All clamping forces are on one axis. By the same token, there is less force exerted on the block threads, which contributes to improved block life.

Finally, the there are factors of easier engine assembly and proper alignment of caps every time. All kits come complete with hardened parallel-ground washers and high quality nuts. The studs are manufactured from 8740 chrome-moly steel, heat-treated in-house to 200,000 PSI tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others.


  • Increased Strength
  • Increased Durability In Extreme Applications
  • Includes Studs & M8 Outer Rail Bolts


  • MFG. Number 150-5801
  • Manufacturer Name ARP
  • Shipping Weight 10.00 lb.
  • Shipping Length 4 in.
  • Shipping Width 9 in.
  • Shipping Height 3 in.
  • Fuel Type Diesel
  • UPC 672036045845
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Questions and Answers

What is the Difference from arp 250 4202 studs other than price?
View Staff Answer 
The ARP 150-5801 Main Stud Kit is for your engine mains where the 250-4202 is for your cylinder heads. If you're doing a complete tear-down and looking to make some power with your 6.0L Powerstroke, it's a good idea to do both.

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