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ARP Bolts 3/8" ID Black Washers .675" OD - Pack of 10 for Diesel Fasteners - 200-8556

If you’re diving into the world of high-performance diesel engines, you’ve probably heard of ARP. They’ve been around since '68, and they know a thing or two about making fasteners that can take a beating. These ARP 3/8 ID 0.675 OD Black Washers are a solid choice if you’re looking to beef up your setup. Designed for those extreme loads that come with heavy-duty applications, these washers are built to last.

Now, let’s talk specifics. With an inner diameter of 3/8 inches and an outer diameter of .675 inches, these washers have a thickness of .120 inches. What does that mean for you? Well, when you install these bad boys, they can handle some serious pre-load. That’s the amount of stretch you get during installation, and trust me, you want your fasteners to be able to handle it without breaking a sweat.

This pack comes with 10 washers, so you’ve got enough to tackle multiple projects or just keep a few spares on hand. Whether you’re working on head studs, main studs, or driveline components, these washers are designed to fit snugly and perform under pressure. No more worrying about your fasteners letting you down when the going gets tough.

In short, if you’re serious about your diesel engine and want to ensure everything is locked down tight, these ARP washers are a wise investment. They’re tough, reliable, and ready to handle whatever you throw at them.

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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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