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This ARP performance fastener, stud, bolt, tool, or assembly is the Cylinder Head Stud Kit for Dodge 5.9L & 6.7L 24V Cummins (1998 & later) Custom Age 625+. 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
- The Custom Age 625+ material provides exceptional tensile strength over 220,000 PSI for reliable head clamping under high boost and horsepower.
- Engine builders choose these studs to prevent head gasket failures in competition and daily driven diesel applications.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| Universal or specification-matched application. Verify every dimension, interface, load or operating requirement, and listing note. | |||
Specifications
| Brand | ARP |
|---|---|
| Manufacturer Part Number | 247-4204 |
| Product Type | Head Stud & Bolt Kits |
| Condition | New |
| Configuration | Cylinder Head Stud Kit for Dodge 5.9L & 6.7L 24V Cummins (1998 & later) Custom Age 625+ |
| Custom Age 625+ Alloy | Nickel-based superalloy exceeds ARP2000 strength with superior fatigue resistance and corrosion protection for extreme diesel power levels |
| Precision Heat Treatment | Vertically racked studs achieve uniform 220,000+ PSI tensile strength ensuring even clamping across all cylinders |
| Centerless Grinding | Post-heat-treat process creates concentric straightness so heads and gaskets align perfectly without binding |
| Thread Rolling After Heat Treat | Delivers 2000% higher fatigue strength than pre-heat-treat threaded studs for long-term durability |
| Undercut Design | Equalizes stretch on shorter studs to maintain consistent clamp load and resist head gasket blowouts |
| Torque to ARP specifications | long studs 110 ft-lbs, medium 90 ft-lbs, short 70 ft-lbs in three stages |
| Q | Will this kit fit my 2006 Ram 2500 5.9L Cummins? A: Yes, ARP 247-4204 fits all 1998.5-2007 5.9L 24V Cummins in Ram 2500/3500/4500/5500 models |
| Method | UPS Ground or FedEx |
| Availability | In stock - ships same or next business day |
| Packaging | ARP branded box measuring 2 x 8 x 12 inches |
| Weight | 4.65 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
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Frequently Asked Questions
How do I confirm the Cylinder Head Stud Kit for Dodge 5.9L & 6.7L 24V Cummins (1998 & later) Custom Age 625+ 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 247-4204, 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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