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ARP Bolts ARP Dodge Cummins 3.9L 8V CA625+ Head Stud Kit, 12-Point, Black Oxide Finish - 247-4207

ARP 247-4207 Head Stud Kit

The ARP 247-4207 Head Stud Kit is engineered for durability and precision, specifically designed for the Dodge Cummins 3.9L 8V engine. This kit is essential for those looking to enhance their engine's reliability under high-performance conditions.

Key Specifications

  • Fastener Style: Stud
  • Undercut Stud: No
  • Head Style: 12-point
  • Fastener Material: Custom Age 625
  • Fastener Finish: Black oxide
  • Washers Included: Yes
  • Cut to Fit: No

Material and Finish

The fasteners are crafted from Custom Age 625, a material known for its exceptional strength and resistance to fatigue. The black oxide finish not only enhances corrosion resistance but also provides a sleek appearance that complements any engine bay.

Installation Notes

Installation of the ARP 247-4207 head studs is straightforward, provided that proper torque specifications are followed. The included washers ensure a secure fit, minimizing the risk of head gasket failure under high boost or extreme conditions. Ensure that the engine block and cylinder head surfaces are clean and free from debris before installation for optimal performance.

This head stud kit is a critical upgrade for anyone looking to push the limits of their Dodge Cummins 3.9L 8V engine. Trust in ARP's proven track record for reliability and performance in high-stress applications.

Other Part Numbers:
ARP Bolts #arp247-4207

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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The Story Behind ARP Bolts

ARP (Automotive Racing Products) was founded by Gary Holzapfel in 1968 when he noticed his drag-racing friends succumbing to bolt-induced engine failure as a result of poor-quality fasteners. He drew upon his expertise in the aerospace industry to develop a solution, which turned into a successful business nonetheless. 

Since its inception, ARP has been engineering and perfecting a wide range of bolts, studs, nuts, and other fasteners for engines, cylinder heads, headers, wheels, and transmissions. Today, ARP remains the undisputed world leader in automotive fasteners. Racing aficionados everywhere know and recognize the ARP brand and can vouch for its quality.

What Makes ARP Bolts So Special?

Located in Ventura, California, all ARP processes from raw wire to finished fasteners are conducted in-house, right here in the USA. The company continually improves its processes with strict quality control guidelines and is dedicated to producing products that are second to none. Simply put, ARP Bolts are better than the competition because of their quality materials and advanced processes. 

ARP prides itself on using only top-quality materials that are above the usual “aerospace-grade” quality that other manufacturers settle for. For example, while 8740 Chromoly steel has four different grades, ARP only uses the top two, SDF and CHQ. These grades cost twice as much as the lower commercial and aircraft grades, but deliver “zero defect” quality that you can trust each and every time.

ARP Bolts are built to withstand serious racing, possess greater tensile strengths, and can survive higher stress levels than most aircraft fasteners. ARP is dedicated to creating fasteners that boast ultimate strength and durability to ensure they last race after race. Its product lineup ranges from quality high-performance OEM parts to exotic specialty hardware for IndyCar, NASCAR, NHRA drag racing, Formula 1, and even marine applications.

Equip Your Ride with ARP Bolts at Vivid Racing

If you are looking to change the fasteners on your car, you’ve come to the right place. No other brand beats out ARP Bolts in terms of strength, quality, and race-proven success. Vivid Racing is, therefore, proud to carry an extensive lineup of products from American Racing Products like bolts, fluids, sealants, hand tools, stud kits, piston sleeves, wheel bolts, and more! If you have any questions regarding the parts above, please call our specialized sales team at (480) 966-3040.

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