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ARP Bolts 5/16-24 X 1.250 SS 12pt Water Pump Pulley Stud Kit, Socket Size 3/8 12pt, 1/8 Allen - 400-3216

If you're diving into the world of diesel performance, you’ve probably heard of ARP. These guys have been at the forefront of fastener technology since 1968, and they really know their stuff. When it comes to the critical components like head studs, main studs, and driveline bolts, ARP has upped the ante. Their fasteners are designed to withstand some serious loads, which is essential if you’re pushing your rig to the limits.

Take the ARP 5/16-24 X 1.250 SS 12pt Water Pump Pulley Stud Kit, for example. This isn’t just any fastener; it’s engineered to handle the high pre-loads that come with installation. What does that mean for you? Well, it means that once you’ve got these studs in place, they’re not going anywhere. They’re built tough, so you can focus on what really matters—getting the most out of your engine.

And let’s talk about the specs for a second. You’ll need a 3/8 12-point socket or a 1/8 Allen wrench for installation. It’s straightforward, so you won’t be fumbling around with your tools. Just grab what you need, and you’re good to go. The stainless steel construction not only looks great but also offers excellent corrosion resistance, ensuring that your setup stays solid even under harsh conditions.

In short, if you’re serious about performance, ARP fasteners are a no-brainer. They’re designed by folks who understand the demands of racing and high-performance applications. Trust me, once you’ve tried them, you’ll see why they’re the go-to choice for so many in the diesel community.

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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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