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ARP 400-8607 1/2-20 SS Hex Nut Kit, Polished Stainless Steel, 3/4in Wrench Size - 400-8607

If you're diving into some serious automotive work, you know every little detail counts. That’s why I’ve got to tell you about the ARP 1/2in-20 SS Hex Nut. This isn’t just any nut; it’s a solid piece of engineering that’s going to hold your projects together like glue.

First off, let’s talk about the thread size. At 1/2-20 inches, it fits perfectly with a lot of standard setups, so you won’t be hunting for the right fit. The wrench diameter is a comfortable 3/4 inch, which gives you a good grip without feeling like you’re wrestling with it. You’ll appreciate that when you’re in the trenches, working on your ride.

Now, this nut is made from polished stainless steel, which not only looks sharp but also offers great resistance to rust and corrosion. It’s tough enough to handle the heat and grime of any project you throw at it. Just keep in mind, it doesn’t have a nylon insert or a self-locking feature, so if you’re looking for something that stays put under vibration, you might want to consider using it with a locking washer.

With a yield strength of 180,000 psi, you can trust this nut to hold up under pressure, whether you're building a high-performance engine or just doing some routine maintenance. Just remember, it’s sold individually, so if you need a few, make sure to grab extras.

Overall, the ARP 1/2in-20 SS Hex Nut is a reliable choice for anyone who values quality and durability in their fasteners. It’s a simple piece, but it’s got the strength and style to make sure your projects don’t fall apart when it counts.

Other Part Numbers:
ARP Bolts #arp400-8607

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⚠ 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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