The ARP 250-4202 Head Stud Kit is one of the most trusted upgrades available for the 2003-2007 Ford 6.0L Powerstroke Diesel. Whether you're replacing failed head gaskets, performing a complete engine rebuild, or "bulletproofing" your 6.0L, ARP head studs provide the clamping force necessary to keep cylinder heads securely sealed under extreme combustion pressures.
Unlike the factory torque-to-yield head bolts, ARP's premium ARP2000 alloy studs are rated at 220,000 PSI tensile strength, dramatically reducing the chance of cylinder head lift and blown head gaskets during heavy towing, aggressive tuning, or high-boost applications. Each stud is centerless ground for precision, thread rolled after heat treatment for maximum fatigue resistance, and manufactured in the USA to ARP's exacting quality standards.
Whether your truck is stock or producing substantially more horsepower, ARP head studs are considered one of the best reliability upgrades you can make to a 6.0L Powerstroke.
Features & Benefits
- Genuine ARP 250-4202
- Fits 2003-2007 Ford 6.0L Powerstroke Diesel
- Manufactured from premium ARP2000 alloy
- Rated at 220,000 PSI tensile strength
- Helps prevent cylinder head lift and blown head gaskets
- Superior clamping force over factory torque-to-yield head bolts
- Thread rolled after heat treatment for exceptional fatigue strength
- Precision centerless ground for accurate fitment
- Includes premium 12-point nuts and hardened washers
- Includes ARP Ultra-Torque Fastener Assembly Lubricant
- Made in the USA
- Trusted by professional engine builders and diesel performance shops worldwide
Kit Includes
- Complete set of ARP2000 cylinder head studs
- 12-point nuts
- Hardened parallel-ground washers
- ARP Ultra-Torque Assembly Lubricant
- Installation instructions
Note: This kit does not include the smaller inner-row M8 cylinder head bolts. These are sold separately or may be reused if they meet service specifications.
Vehicle Fitment
Ford Super Duty
- 2003-2007 Ford F-250 Super Duty 6.0L Powerstroke
- 2003-2007 Ford F-350 Super Duty 6.0L Powerstroke
- 2003-2007 Ford F-450 Super Duty 6.0L Powerstroke
- 2003-2007 Ford F-550 Super Duty 6.0L Powerstroke
Ford Excursion
- 2003-2005 Ford Excursion 6.0L Powerstroke
Ford E-Series Vans
- 2004-2007 Ford E-350 6.0L Powerstroke
- 2004-2007 Ford E-450 6.0L Powerstroke
Why Choose ARP Head Studs?
The 6.0L Powerstroke is well known for its performance potential, but factory torque-to-yield head bolts can allow cylinder head movement under increased cylinder pressure. ARP head studs provide significantly greater and more consistent clamping force, making them the preferred choice for:
- Stock engine rebuilds
- Heavy towing
- Fleet trucks
- Performance tuning
- Larger turbochargers
- Upgraded injectors
- Complete "bulletproof" engine builds
When combined with quality OEM head gaskets and proper machine work, ARP head studs help deliver the long-term reliability the 6.0L Powerstroke is capable of.
We Recommend Replacing
For the best results during a head gasket repair or engine rebuild, SWAG Performance Parts recommends replacing:
- OEM Ford or Mahle head gaskets
- New inner-row M8 head bolts
- Intake manifold gasket set
- Exhaust manifold gaskets
- Oil cooler
- EGR cooler (or approved upgrade)
- Stand pipes & dummy plugs
- STC fitting (2005-2007)
- Branch tube seals
- High-pressure oil system seals
- Fresh engine oil and coolant