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ARP Bolts 5/16-24 x 2.750 Black Hex Water Pump Pulley Stud Kit with 1.500in Spacer - 100-3208

If you're diving into some serious engine work, you know how crucial it is to have reliable fasteners. That’s where this ARP 5/16-24 x 2.750 Black Hex Water Pump Pulley with 1.500in Fan Spacer Stud Kit comes into play. Made from 8740 chromoly, these studs are tough as nails and built to withstand the heat of high-performance applications. Seriously, this stuff is like the armor of fasteners.

Now, let’s talk about the finish. The black oxide coating not only gives it a sleek look but also adds a layer of corrosion resistance. You won’t have to worry about these babies rusting out on you anytime soon. And with a hex head style, you’ll find it easy to get a solid grip when you’re tightening everything down. No stripped heads here!

Each stud has a thread size of 5/16-24 and an underhead length of 2.750 inches, making them just the right length for most setups. Plus, they come in a set of four, which is perfect if you're doing a full water pump install. You’ll appreciate the peace of mind knowing you’ve got quality fasteners holding everything together.

So whether you’re upgrading your ride or just doing some routine maintenance, these studs are a solid choice. They’ve got the strength and durability you need, and they look good doing it. Trust me, you won’t regret adding these to your toolbox.

Other Part Numbers:
ARP Bolts #arp100-3208

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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