ARP Custom Age 625+ Head Stud Kit for 5.9/6.7 Cummins | 247-4204

The ARP Kit 247-4204 is a top-tier head stud package designed for 1998–present Dodge Cummins 5.9L and 6.7L 24-valve engines.

Built to exacting ARP standards, this kit includes premium 12-point 14 mm studs and 5 mm Allen fasteners—ideal for high-boost, high-horsepower applications. All components are pre-tested, packaged securely, and ready for your build.

Kit Components & Specifications

• ARP Kit #: 247-4204
• Application: Dodge Cummins 5.9L / 6.7L 24V (1998–present) 
• Fasteners Included: 14 mm 12-point studs, 5 mm Allen cap screws/hardware
  

Performance & Benefits

• Superior Clamping Force & Durability: ARP’s premium 12-point studs offer better strength and even torque distribution compared to many OEM or aftermarket alternatives.
• Optimized for High Output Builds: Ideal for diesel performance motors pushing high boost, increased cylinder pressures, or demanding duty cycles.
• Precision Fitment: ARP manufactures this kit with tight tolerances and correct specs to match Cummins 5.9/6.7 24V architecture.
• Complete Hardware Package: Comes with everything needed, no sourcing separate bolts or washers.
• Quality Control & Packaging: Each component is tested, identified, and packaged to prevent errors during engine assembly.

Fitment & Compatibility Notes

• Works with Dodge / Ram trucks equipped with Cummins 5.9L or 6.7L 24-valve diesel engines from 1998 onward
• Must be used in correct “12-point / 14 mm + 5 mm Allen” configuration as specified, mixing with other stud types is not recommended.

Important Installation Notes

• Follow ARP torque specs and proper lubricant or assembly methods (ARP’s instructions) to ensure correct stretch and longevity.
• Re-torque and recheck after initial engine break-in per ARP recommendations.
• Ensure the head gasket, block, and cylinder head surfaces are properly prepared and flat to match the stud dimensions and seating requirements.
• Use the provided Allen bits / sockets included to correctly handle the fasteners during install.

Questions? We’re Here to Help.

Have questions about engine upgrades or head stud systems for your truck? Our team at FASS Motorsports is here to assist:

• Phone: 636-429-7020
• Email: info@fassmotorsports.com