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ARP Bolts ARP 3/8-16 x 1.500 Hex Stainless Steel Bolts Set of 5 with Washers - 623-1500

If you're diving into a project that needs some solid hardware, let me tell you about these ARP 3/8-16 x 1.500 Hex Stainless Steel Bolts. These aren't just any bolts; they’re built to last and handle some serious stress. With a yield strength of 180,000 psi, you know they’re not going to let you down when the going gets tough.

Each bolt measures 1.500 inches in underhead length, which is perfect for a variety of applications. The hex head design makes them easy to wrench on, with a 3/8-inch diameter that fits snugly in your socket set. Plus, they come polished, so they not only perform well but look good doing it. And let’s be real, who doesn’t love a bit of shine under the hood?

These bolts are made from ARP Stainless 300 material, which means they’re resistant to corrosion and wear. You can trust them to hold up in any environment, whether it’s a sunny day or a rainy one. And yes, they come with washers included, so you’re all set right out of the package.

Sold as a set of five, these bolts are perfect for securing components that need a reliable grip. Whether you’re working on a custom build or just need to replace some worn-out fasteners, these ARP bolts are a smart choice. They’re tough, they’re reliable, and they’ll keep your project moving forward without a hitch.

Other Part Numbers:
ARP Bolts #arp623-1500

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⚠ WARNING: Cancer and Reproductive Harm
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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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