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ARP 3/8-16 x 1.000 Hex Stainless Steel Bolts with Washers (5/pkg) - 625-1000

If you're diving into some serious automotive work, you know the right fasteners can make all the difference. I’ve been using these ARP 3/8-16 x 1.000 Hex Stainless Steel Bolts for a while now, and let me tell you, they’re a game changer. With a yield strength of 180,000 psi, you can trust these bad boys to hold up under pressure. Seriously, whether you're in the garage wrenching on your ride or upgrading your project, these bolts are built to last.

The hex head style makes them super easy to work with, especially when you’re in tight spots. You’ll need a 7/16-inch wrench to get a good grip, and with a polished finish, they not only look sharp but resist corrosion too—perfect for those of us who like to take our vehicles off the beaten path.

And let’s not forget about the washers that come included—no need to hunt those down separately. Each pack comes with five bolts, so you can tackle multiple projects or just stock up for future builds. Made from ARP Stainless 300, these fasteners are tough enough to handle whatever you throw at them.

In short, if you want reliability and performance in your builds, these ARP bolts are worth every penny. They’re not just fasteners; they’re a solid investment in your vehicle’s performance.

Other Part Numbers:
ARP Bolts #arp625-1000

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.

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

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