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ARP Bolts ARP 3/8-16 12pt Nut Kit, Steel Black Oxide, Set of 10, 180,000 psi - 301-8341

If you're diving into a project that requires some solid nuts, let me tell you about this ARP 3/8 inch-16 12-point nut kit. These bad boys come in a pack of 10, so you’ll have enough to tackle multiple jobs or just keep a few extras on hand for future work.

First off, the thread size is 3/8-16 in. RH, which means they’re pretty versatile for a lot of applications. The 12-point design gives you a better grip compared to standard nuts, so you can really crank them down without worrying about stripping. Just grab a 7/16-inch wrench, and you’re set.

Now, I know some folks get hung up on the details, so here’s the lowdown: these nuts are made from steel and finished in black oxide. That finish isn’t just for looks; it helps prevent corrosion, which is a big deal if you’re working in less-than-ideal conditions. And while they don’t have a nylon insert or self-locking feature, the yield strength is impressive at 180,000 psi. That means they’re tough enough to handle some serious torque without giving in.

Just a heads-up, these nuts don’t come with washers, so make sure you’ve got those lined up if you need them. Overall, if you’re looking for a reliable and sturdy nut kit that won’t let you down, this ARP set is a solid choice. Perfect for anyone who knows their way around a wrench and wants to get the job done right.

Other Part Numbers:
ARP Bolts #arp301-8341

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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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