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ARP Bolts ARP BB Ford 390-428 12pt Head Stud Kit, 8740 Chromoly, Black Oxide Finish - 155-4201

ARP Bolts 155-4201 Head Stud Kit

If you're looking for reliable and durable head studs, the ARP Bolts 155-4201 is a solid choice. Designed specifically for high-performance applications, these head studs are made from 8740 chromoly, known for its strength and resilience. The black oxide finish not only looks great but also provides additional protection against corrosion.

Features:
  • Fastener Style: Stud
  • Undercut Stud: No
  • Head Style: 12-point
  • Fastener Material: 8740 chromoly
  • Fastener Finish: Black oxide
  • Washers Included: Yes
  • Cut to Fit: No

These head studs come with a 12-point head style, which allows for better torque accuracy and easier installation. Customers have noted that the included washers are a nice touch, ensuring a snug fit when you’re putting everything together. One user mentioned, "I installed these in my build, and I appreciate how well they held up under pressure. No issues with warping or loosening, even after some serious runs."

While the ARP 155-4201 is specifically designed for the Ford 390-428 engine family, it’s always best to double-check compatibility with your specific setup. The quality of these studs is evident, and they are a great investment for anyone looking to enhance their engine's performance.

In summary, the ARP Bolts 155-4201 head stud kit offers a combination of strength and reliability that you can trust for your high-performance needs. Whether you're a seasoned mechanic or a DIY enthusiast, you’ll find these head studs to be a valuable addition to your project.

Other Part Numbers:
ARP Bolts #arp155-4201

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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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