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This ARP performance fastener, stud, bolt, tool, or assembly is the Ford 6.0L Power Stroke Diesel CA625+ Head Stud Kit for 2003-2007 Ford F-250. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.
Key Features
- Thread, length, material, strength series, and included quantity are exact-part specific
- Engine, vehicle, component, and installation requirements must match the current ARP application
- This ARP head stud kit replaces factory head bolts on 2003-2007 Ford Super Duty trucks with 6.0L Power Stroke Diesel engines.
- It provides consistent clamping force to seal head gaskets under high cylinder pressures from tuned or boosted setups.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2003-2007 | Ford | F-250 | Verify engine and trim |
| 2003-2007 | Ford | F-350 | Verify engine and trim |
Specifications
| Brand | ARP |
|---|---|
| Manufacturer Part Number | 250-4205 |
| Product Type | Head Stud & Bolt Kits |
| Condition | New |
| Configuration | Ford 6.0L Power Stroke Diesel CA625+ Head Stud Kit |
| CA625+ Alloy Studs | Forged from proprietary CA625+ material with 260,000 PSI tensile strength to withstand extreme combustion loads in diesel engines |
| Complete Kit Contents | Includes 20 studs (10 at 215mm length, 10 at 170mm), chrome moly washers, and 12-point nuts for straightforward installation |
| 12-Point Nuts | Deliver precise torque and resist loosening amid high-vibration conditions in Power Stroke applications |
| Hardened Washers | Parallel-ground surfaces ensure even load distribution and prevent galling during assembly |
| Reusable Design | Studs support repeated engine disassembly without replacement to reduce long-term costs |
| Torque to ARP specs | inner studs 135 ft-lbs + 135 degrees, outer 70 ft-lbs + 105 degrees using angle torque method |
| Q | What material are the studs made from? A: Studs are forged from ARP's exclusive CA625+ alloy, heat-treated to 260,000 PSI minimum tensile strength for superior clamping under boost |
| Method | UPS Ground |
| Availability | In stock - ships same or next business day |
| Packaging | Secure ARP box measuring 11.75 x 9 x 2.5 inches |
| Weight | 7.65 lbs |
What's Included
One new ARP head stud & bolt kit in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.
About ARP
Automotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.
Important Disclosures
- California Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.
Related Parts
- Shop all ARP products
- ARP Ford 6.0L Power Stroke Diesel Head Stud Kit
- ARP Ford International 6.9 Diesel Head Stud Kit
- ARP Ford 7.3L Powerstroke 94-00 Forged Rod Bolt Kit
Frequently Asked Questions
How do I confirm the Ford 6.0L Power Stroke Diesel CA625+ Head Stud Kit fits my application?
Match the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.
Can I reuse the factory torque value with this ARP hardware?
Not automatically. Use ARP's current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.
What is included with this ARP kit?
Only the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.
Installation Instructions
- Confirm ARP part number 250-4205, the complete application, and every required supporting component before beginning work.
- Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
- Follow ARP's current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
- Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.
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