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ARP Stainless Steel 1/4-20 x 4.500 12pt Bolts Set of 5 with Washers - 611-4500

ARP 611-4500 Stainless Steel Bolts

The ARP 611-4500 bolts are engineered for precision and durability, making them an essential component for high-performance applications. These fasteners are crafted from ARP Stainless 300 material, known for its exceptional strength and resistance to corrosion, ensuring longevity even in demanding environments.

Specifications

  • Fastener Size: 1/4-20 in. RH
  • Underhead Length: 4.500 in.
  • Head Style: 12-point
  • Finish: Polished
  • Grade: ARP Stainless 300
  • Yield Strength: 180,000 psi
  • Wrench Diameter: 5/16 in.
  • Washers Included: Yes
  • Quantity: Set of 5

Installation Notes

When installing the ARP 611-4500 bolts, ensure that the mating surfaces are clean and free of debris. Proper torque specifications should be followed to achieve optimal clamping force, which is critical for maintaining component integrity, especially in high-stress applications. The 12-point head design allows for better engagement with the wrench, minimizing the risk of rounding off the fastener during installation.

Applications

These bolts are ideal for use in engine assemblies, suspension components, or any application where high strength and reliability are paramount. Their polished finish not only enhances aesthetic appeal but also provides an additional layer of protection against environmental factors.

Other Part Numbers:
ARP Bolts #arp611-4500

Proposition 65

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

ARP Bolts Logo

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.

ARP Store | ARP Bolts | ARP Stud Kits | ARP Wheel Bolts | ARP Clearance

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