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ARP Bolts M12ID .876OD Stainless Steel Chamfered Washer 0.875 in. Diameter - 400-8428

If you're diving into a project that needs reliable hardware, let me tell you about this ARP M12ID .876OD stainless steel chamfered washer. It’s not just any washer; it’s built with a purpose in mind. With an outside diameter of 0.875 inches (or 22.225 mm for those who prefer metric), it fits snugly into a variety of applications, whether you're working on a Jeep build or fine-tuning a custom rig.

The inside diameter measures 0.472 inches (12.000 mm), which means it’s designed to accommodate M12 bolts without any fuss. And at a thickness of 0.090 inches (2.286 mm), it strikes a solid balance between strength and flexibility. You want a washer that can handle the pressure, but also one that won’t throw off your alignment—this one does just that.

What’s cool about this washer is its polished stainless steel finish. Not only does it look good, but it also resists corrosion, which is a huge plus if you’re taking your vehicle off-road or exposing it to the elements. Plus, it features a chamfer on the inside diameter, which makes installation smoother and helps prevent any potential snagging.

Now, it’s important to note that this washer isn’t hardened. If you're looking for something that can withstand extreme conditions, you might want to consider that. But for most applications, this washer provides the durability and reliability you need without breaking the bank. And remember, it’s sold individually, so you can grab just what you need without being forced to buy a whole pack.

In short, if you’re piecing together a project that requires quality hardware, this ARP washer is a solid choice. It’s practical, dependable, and gets the job done without any unnecessary frills.

Other Part Numbers:
ARP Bolts #arp400-8428

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⚠ WARNING: Cancer and Reproductive Harm
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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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