ARP Custom Age 625+ Head Stud Kit for 5.9/6.7 Cummins | 247-4204
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
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)
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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
Why Choose FASS Motorsports?
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