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ARP Bolts 3/8-16 x 0.750 Hex Stainless Steel Bolts (5/pkg) with Washers Included - 623-0750

If you’re diving into a project that demands some serious strength and reliability, you might want to check out these ARP 3/8-16 x 0.750 Hex Stainless Steel Bolts. I’ve used these bad boys on a few builds, and let me tell you, they don’t mess around.

First off, the size is spot on at 3/8-16, which fits a lot of standard applications. The underhead length is 0.750 inches, making them just the right length for a snug fit without any fuss. And that hex head? It’s designed for easy wrenching, so you can get a solid grip without stripping it out.

One of the standout features here is the material—these bolts are made from ARP Stainless 300. This means they’re not just any stainless steel; they’ve got some serious toughness behind them. With a yield strength of 180,000 psi, you can trust they’ll hold up under pressure, whether you’re hitting the trails or just tightening down some critical components.

Plus, they come polished, so they not only perform well but also look good while doing it. And if you're wondering about the extras, yes, washers are included in the pack, which is a nice touch. You’ll get a set of 5 bolts, so you have enough to tackle most jobs without scrambling for more.

Overall, if you’re looking for fasteners that blend durability with a bit of style, these ARP bolts are a solid choice. They’ve served me well, and I’d bet they’ll do the same for you.

Other Part Numbers:
ARP Bolts #arp623-0750

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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.

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

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