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ARP Bolts 3/8-16 x 3.500 Hex Stainless Steel Bolts (5/pkg) with Washers Included - 625-3500

If you're diving into a project that demands reliability and strength, these ARP 3/8-16 x 3.500 Hex Bolts are worth your attention. I’ve used them on a few builds, and let me tell you, they hold up like a champ. The fastener size is 3/8-16 in. RH, making them a solid choice for a range of applications. The underhead length is a generous 3.500 inches, which gives you plenty of room for a secure fit.

Now, let’s talk about the head style. These are hex head bolts, which means you can easily grip them with a 7/16-inch wrench. No more fumbling around with weird tools; just grab your wrench and get to work. And the material? We're talking polished stainless steel here. Not only do they look sharp, but they also resist rust and corrosion, which is a huge plus if you’re working on something that sees the elements.

What really sets these bolts apart is their strength. With an impressive yield strength of 180,000 psi, you can trust that they’ll hold your components together without a hitch. Plus, they come with washers included, so you don’t have to hunt around for those separately. It’s the little things, right?

In a pack of five, these ARP Stainless 300 bolts are not just any fasteners; they’re built for performance. Whether you're upgrading your ride or tackling a custom project, these bolts are a solid investment. Don’t skimp on the details; your build deserves the best!

Other Part Numbers:
ARP Bolts #arp625-3500

Proposition 65

⚠ 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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