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ARP Bolts 7/16inID 3/4inOD Black Washers Pack of 10 Chromoly Hardened Washers - 200-8558

If you're diving into some serious automotive work, these ARP Black Washers are a solid addition to your toolkit. Let’s break it down a bit. Each washer measures 0.750 inches in diameter on the outside and 0.438 inches on the inside, which means they fit snugly where you need them. They’re thick, too—about 0.120 inches—which gives you that extra bit of strength and durability.

Made from chromoly, these washers are tough as nails. They’ve got a black oxide finish that not only looks good but also helps resist corrosion. You won’t have to worry about them rusting out on you anytime soon. Plus, they come with a chamfer on the inside diameter, which can help with fitment and make your assembly process smoother.

Each pack gives you 10 of these bad boys, so you can stock up for your projects without running out mid-job. Whether you’re working on a suspension upgrade or just need reliable washers for your engine assembly, these are a great choice. Just make sure you’ve got the right specs for your setup—these washers are designed to handle the pressure without breaking a sweat.

Overall, if you want something that’s going to hold up under stress and keep your components secure, these ARP washers are worth considering. They’re a no-brainer for anyone who’s serious about their builds.

Other Part Numbers:
ARP Bolts #arp200-8558

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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